Give two examples each for conduction, convection, and radiation that are not already mentioned in the content or activities in this lesson. Already used: Light bulb, Metal spoon in tea, Rubbing hands together, Microwave oven, Heat in a classroom, Campfire, Heating soup, Hot air balloon, Pancake griddle and greenhouse.

Find out whether combustion reactions are exothermic or endothermic, and explain why.

Find a substance that has a specific heat that is higher than liquid water and explain what it means.

Answers

Answer 1
Give two examples each for conduction, convection, and radiation.

Conduction - heating a tin can with the use of a bunsen burner, a cold iron skillet placed on a stovetop which is hot
Convection - boiling of water, hot air balloon
Radiation - UV from the sun, x-rays from an x-ray equipment

Find out whether combustion reactions are exothermic or endothermic, and explain why.
Combustion reactions are exothermic reactions since they always produce or release heat. The reactants would always have more energy than the products which causes the excess heat to be released.

Find a substance that has a specific heat that is higher than liquid water and explain what it means.
The substance which has a higher heat capacity than water would be the hydrogen gas. It has a heat capacity of 13.83 kJ/kg K. Having a higher heat capacity would mean that it requires more heat energy in order to increase the temperature as compared to water.
Answer 2

sublimation

and canada


Related Questions

When you write a sentence where the subject is doing something, this is considered ________.

imperative verb
passive voice
active voice
imagery

Answers

Active voice would be your answer.

Answer:

it would be the active voice

Explanation:

Which organelle is responsible for manufacturing proteins?

Vacuoles
Lysosomes
Golgi apparatus
Ribosomes

Answers

the answer is Ribosomes

Can someone please help? I need help now.

Answers

1. Whether or not height affects running speed.
2. She and her friend Melissa exercised equal amounts, but Melissa still ran faster, so Sally wanted to know why.
3. speed
4. quantitative
5. males vs female data, so gender, and how much each test subject exercises, so their athleticism
6. Gender, distance ran
7. no
8. 1 trial as a class, but independent data for each student, so I would say there were as many trials as students in the class

Make up a list of questions to ask five people to find out if they are more right- or left-brain oriented. You should include questions about what they like to do, their skills, and weaknesses. For example, someone very good at math and learning foreign languages is probably more controlled by the left side of their brain. When you finish interviewing all five people, write a report on what you have discovered. Include the following in your report:

Skills most likely controlled by the left side of the brain.
Skills most likely controlled by the right side of the brain.
List of the people you interviewed and why you think they are more strongly controlled by one side of the brain as opposed to the other side.

Answers

REASON-
because if someone works well with his or her left side , the nerves are attached to the right brain and send message to right brain for working according to requirement. So one who is right handed , he or she is controlled by left brain .
PEOPLE-
my friends of school and of town , tested on my parents and brother , and my aunt and uncle too.

if a hypothesis is shown to answer several different natural phenomena or supported by other evidence it can be considered to be a

Answers

Theory

Hope this helps!

It is considered a Scientific Law, like the law of conservation of energy, or the law of gravity. 


Which of the following is NOT a form of asexual reproduction?

Spore formation
Budding
Fertilization
Fission

Answers

Fertilization is not a form of asexual reproduction because it involves two parent sex cells fusing to form a zygote. 

which of the following are attributed to linnaeus?

Answers

Final answer:

Carl Linnaeus is celebrated for three main contributions: developing the taxonomic system for classifying organisms into related groups, establishing the binomial nomenclature for naming organisms, and systematically grouping together organisms sharing common traits.

Explanation:

Carl Linnaeus, a Swedish botanist, zoologist, and physician, is significantly credited with several achievements in biology. Among his works, three attributes stand out:

He developed a taxonomic system for categorizing organisms into related groups. This hierarchical model featured classifications such as kingdom, class, order, family, genus, and species, and has since been expanded to include additional levels like domain, phylum, subclass, superorder, tribe etc.Linnaeus introduced the binomial nomenclature, a system of naming organisms using two unique Latin names – the genus name and the species name. This vastly reduced confusion caused by regional differences in common names of organisms.He grouped organisms that shared common traits creating categories like 'mammals' for animals with mammary glands, demonstrating his systematic approach to classification.

These contributions of Linnaeus have laid the groundwork for modern taxonomy and biological nomenclature.

Learn more about Linnaeus' Contributions here:

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Leaf vein patterns in monocot flowering plants are parallel.

TRUE
or
FALSE

Answers

True. monocots veins run parallel

Answer:

The given statement is true.

Explanation:

Monocot plants leaves have different kind of venation to dicot plants. All plant Leaf veins are arranged in a reticulate arrangement or in a parallel through the length of the leaf throughout the leaf.

In most of the monocot flowering species, monocot leaves have parallel venation arrangement while dicots have reticulate venation.

Parallel venation is an evolved adaptive feature of monocots over dicots as it provides the benefit of transportation to the end of the leaves.

Thus, the statement is true.

Human activity on land can have a profound influence on marine ecosystems. True/False

Answers

Absolutely, this is very true

Answer: The given statement is True.  

Human activities on land can have a profound influence on marine ecosystems. These include both direct as well as indirect activities by humans, which influence marine ecosystems.

For instance, direct human activities like use of fertilizers in agriculture can have a profound influence on the marine ecosystem. Chemical fertilizers provide extra nutrients to the plants, increasing the fertility of the soil and thereby promote the growth of plants.

These fertilizers are harmful to the aquatic lives. They travel to the marine ecosystem via water run off from the agricultural land. Excess fertilizers cause the formation of algal blooms, which are very toxic. They lead to the lack of oxygen in the water, which results in the loss of aquatic lives.

How many more phases occur during meiosis than during mitosis

Answers

Answer:

The correct answer would be 4 phases.

Mitosis is a equational division which results in the formation of two daughter cells with equal number of chromosomes as there were in parent cell. It contains four phases prophase, metaphase, anaphase, and telophase. It helps in growth and repair of the cells.

In contrast, meiosis is reductional division which leads to production of four haploid daughter cells from a single diploid parent cell. It usually takes place during the formation of gametes. It takes place in two divisions namely meiosis I and meiosis II.

Meiosis I contains four phases:

prophase Imetaphase Ianaphase Itelophase I

Meiosis II also contains four phases:

prophase IImetaphase IIanaphase IItelophase II

How many cotyledons does a dicot have?

Answers

two cotyledons bro trust me ik this, pretty simple stuff

i believe the answer is two

As fast as you can, name the planets in order from least mass to most mass. HINT: Check your notes about the gravitational force on each planet compared with earth.

Answers

Mercury, Mars, Uranus, Venus, Earth, Neptune, Saturn, Jupiter

What is the temperature in mars ?

Answers

In winter the temperature could get down to minus 195 degrees F

In the summer the temperature could get up to 70 degrees F

But at night in the summer the temperature could get to -100 degrees F
Hey there! :)

Mars is the fourth planet from the sun. Also known as the Red Planet, Mars is covered in a layer of iron oxide prevalent, which looks like red dust, hence giving it it's nickname. Mars is not very big - it's smallest after Mercury in the solar system. 

On any regular day, Mars could be -80°F, wow! However, during the summer, it could get up to 70°F, and during the winter, it could get down to -195°F. 

As you can see, Mars, the Red Planet, is a small snowball of a planet.

~Hope I helped!~

Which of the following best explains what happens during metaphase? A. The sister chromatids are pulled apart. B. The chromosomes line up. C. The chromosomes coil up and condense. D. The cell is developing and going about its daily activities. Which of the following best explains what happens during metaphase? A. The sister chromatids are pulled apart. B. The chromosomes line up. C. The chromosomes coil up and condense. D. The cell is developing and going about its daily activities.

Answers

B) the chromosomes line up

Answer:

The correct answer is option b. the chromosomes line up.

Explanation:

Metaphase is the phase which takes place between prophase and anaphase. It is mitotic phase in which microtubules attached. The chromosomes line up during this phase.

Metaphase is characterized by the attachment of spindle to the chromosomes. Attachment is complete by the microtubules of spindle.

Thus, the correct answer is option b.the chromosome line up.

How does a whale-fall community affect ocean sediment?

Answers

When a whale dies it sinks to the ocean floor, and it's carcass is known as whale-fall. As the whale's carcass lies on the ocean floor, it's organic fragments enrich the sediment. 

I hope this helped :D 

Answer:

The sediment is transformed into food for mussels and crabs

Explanation:

Select all that apply. Invertebrates have only nonspecific immunity, which means _____.
the body attacks anything foreign to the body
the body attacks particular foreign invaders
immunity is inborn or innate
immunity is adaptive

Answers

body attacks anything foreign to the body
i believe its the first one

In the alternation of generations life cycle fertilization requires two A. sporophytes. B. gametophytes. C. gametes. D. spores.

Answers

The correct answer is C. Gametes

Answer:

C. gametes

Explanation:

The alternation of generations is a process of reproductive cycles that occur in plants, algae and cnidarians. The main characteristic of this type of reproduction is that it happens in two different generations alternating in a single life cycle of the organisms.

For this process to occur in plants, it is necessary that there is a generation that produces spores (sporophytic generation) and a generation that produces gametes (gametophytic generation). The generation that produces spores should produce diploid cells, while the generation that produces gametes must produce haploid cells.

When haploid cells arise from the germination of spores (which are haploid), the phase called gametophytic begins in the body, where the formation of two gametes (one male and one female) occurs. These gametes will merge during fertilization, generating a diploid embryo, which will undergo several mitoses until it becomes an adult that is capable of forming spores.

Fossil A was found at a depth of 400 feet and fossil B was found at a depth of 315 feet. Which one is older?

Fossil B
Fossil A
They are the same age
Not enough information to determine

Answers

The answer is fossil A because it is deeper (the more rock layers on top of a fossil, the longer it's been in the ground). Hope that helped! :)

Which of the following cavities would a surgeon performing an operation on the intestines have to open?

A) Abdominopelvic and abdominal

B) Thoracic and abdominal

C) Abdominopelvic and thoracic

D) Thoracic and pericardial

Answers

A) Abdominopelvic and abdominal

Operation on the intestine wouldn't have to open thoracic cavities since the intestine located in the abdomen and near pelvic. Pericardial cavity is also located near thoracic cavity and it's opened on heart surgeries.

Final answer:

A surgeon operating on the intestines would have to open the A) Abdominopelvic and abdominal cavities. The pleural cavity, which is associated with the lungs, is part of the thoracic cavity.

Explanation:

The question asks about the body cavity a surgeon would open to operate on the intestines. The correct answer is A) Abdominopelvic and abdominal. The abdominopelvic cavity is the largest in the body and includes both the abdominal cavity (housing the digestive organs, such as the intestines) and the pelvic cavity (housing the reproductive organs).

As for the pleural cavity, it is part of the thoracic cavity which also contains the pericardial cavity surrounding the heart. These cavities are all located within the larger anterior (ventral) cavity. Thus, a surgeon must open the abdominopelvic cavity to perform operations on the intestines.

All of the following wavelengths can be seen by the human eye EXCEPT red light waves infrared waves blue light waves violet light waves

Answers

The correct answer here is infrared waves because the human eye cannot see them. The human eye can see violet, but not ultra-violet.

The human eye can see visible light in the range of 380 nm to 740 nm, which includes colors red through violet. The wavelengths outside this range, such as infrared waves, cannot be seen.

The human eye can see light with wavelengths that range from about 380 nm to 740 nm. This range includes the colors of the rainbow, which can be remembered by the mnemonic ROY G BIV - for Red, Orange, Yellow, Green, Blue, Indigo, and Violet. However, the wavelengths that fall outside of this visible spectrum, such as infrared waves, cannot be seen by the human eye. Infrared light has longer wavelengths than the visible red light, and humans perceive this as heat rather than light.

Visible light is composed of a spectrum of colors that include red light waves, blue light waves, and violet light waves. However, all wavelengths can't be seen by the human eye; specifically, infrared waves are outside the visible range. Thus, all of the listed wavelengths can be seen by the human eye except infrared waves.

HELP PLEASE!

An osteocyte is a cell that...

A. maintains the bone matrix

B. reabsorbs or breaks down the bone matrix

C. forms the bone matrix

D. specializes into other bone cells

Answers

I believe it's A. because the bone matrix is where it goes, therefore the bone matrix is already there. it just maintains it
C. I looked it up to make sure before I answered. I went and looked in my medical book for nurses.
 

A tubal ligation is a permanent sterilization procedure in which a woman's fallopian tubes are blocked or severed. Which of the following explains how this process can be used to prevent pregnancies? It prevents sperm from reaching the egg and fertilizing it. It prevents the maturation of the follicle and the release of an egg. It prevents a zygote from being implanted into the uterine wall. It prevents the thickening of the walls of the uterus.

Answers

It is the first one, prevents sperm from reaching the egg and fertilizing it :) (made fairly obvious in the question where it states they are blocked/severed.) 

The permanent sterilization prevents sperm from reaching the egg and fertilizing it.  

What is sterilization?

Sterilization is the process of permanent birth control.

The women sterilization process s called tubal ligation.

Tubal ligation closes all the Fallopian tubes, so that sperm could not reach the uterus of the women.

The men sterilization is called vasectomy.

Thus, the correct option is A.

Learn more about sterilization

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The scientific method can best be described as a plan of a set of

Answers

I believe the scientific method can be best describe as set of procedures.

How do mitochondria work

Answers

Mitochondria converts oxygen and the sugar fat and protein from foods to useable energy.

Which process uses acetyl CoA as a reactant

Answers

The Krebs cycle uses acetyl CoA as a reactant.

Answer:

The Krebs cycle

Explanation:

Apex

What's the difference between distance and displacement

Answers

Displacement is the difference between point A and point B taking the most direct route.

Distance is the amount travelled. This is different because if the path taken from point A to point B contains swirls and turns and is overall not the most direct path, distance accounts for this.
Distance is a scalar quantity that refers to "how much ground an object has covered" during its motion. Displacement is a vector quantity that refers to "how far out of place an object is"; it is the object's overall change in position.

Which of the following is NOT an example of physical weathering?

Wind blowing and eroding sandstone
Acid rain dissolving limestone
Ocean waves crashing against basalt
A river carving out a canyon through bedrock

Answers

Ocean waves crashing against basalt.
It would be C. Ocean waves crashing against basalt,
because its not making the basalt erode away or make it start disapear


All of the following are nonspecific defense responses made by the human body except
A. the skin as a physical barrier to pathogens.
B. mucus produced in the nasal and oral passages to trap pathogens.
C. wax produced in the ear to trap pathogens.
D. T-cells target specific pathogens.

Answers

I would say D because its asking for the non specific way it responds. however t-cells are SPECIFIC cells that attack SPECIFIC pathogens

Answer:

The correct is the answer is option D.

Explanation:

Non-specific defense response is the immune system that provides defense against more than one type of antigen or pathogen. The non-specific defense provides responses include physical barriers, protein defenses, cellular defenses, inflammation, and fever. Mucus in respiratory tracts and nose traps microbes and pathogens from invading the body.  

Wax also captured foreign bodies and other pathogens from entering our ears. Non-specific defenses are surface coverage defenses.  

T-cells are the specific white cells that target specific antigens or pathogens that are a specific defense provided by the specific immune system.

Thus, the correct answer is option D.

What happens to macromolecules from food during digestion?

Answers

They are broken down into smaller molecules and are made into ATP (cellular respiration), or into storage fat for the body's reserve energy. They are broken down in a process called hydrolysis. 
During carbohydrate digestion the bonds between glucose molecules are broken by salivary and pancreatic amylase. The digestion of certain fats begins in the mouth, where short-chain lipids break down into diglycerides because of lingual lipase.

what are the four evolutionary events important for plants?

Answers

One evolutionary event important for plants was the development of the atmosphere and oxygen and carbon dioxide since plants take in carbon dioxide and give off oxygen. The development of photosynthesis was key to taking advantage of this aiding in the ingestion of carbon dioxide and the respiration of oxygen. Also, the development of soil for plants to grow in is related to the evolution of landforms as for example the flooding of the banks of major rivers to deposit silt useful as a growing medium or the melting of glaciers forming glacio-fluvial soil deposits helped to provide such growing mediums. Natural selection also played a role in plant evolution so that varieties of each plant species developed and the varieties favorable to the environmental conditions would thrive. Also, biodiversity or the development of many types of plants adapted to their environment and to each other was very important to the development of say a rainforest or a tropical jungle.
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