Asked by Denki

Which statement correctly describes the relationship between thermal energy and particle movement?(1 point)
Responses

As thermal energy increases, particle movement does not change.
As thermal energy increases, particle movement does not change.

As thermal energy increases, there is less particle movement.
As thermal energy increases, there is less particle movement.

As thermal energy increases, it is not possible to predict particle movement.
As thermal energy increases, it is not possible to predict particle movement.

As thermal energy increases, there is more particle movement.

Answers

Answered by Denki
A scientist adds iodine as an indicator to an unknown substance. What will this indicator reveal about the substance?(1 point)
Responses

the presence of glucose
the presence of glucose

the presence of lipids or fat
the presence of lipids or fat

the presence of baking powder
the presence of baking powder

the presence of starch
Answered by Denki
A student wants to try to convince her parents to stop serving peas for dinner. She lays out her argument that peas are high in fructose, which is a type of sugar. Which test could she use to provide scientific evidence to support her argument that peas are high in fructose?(1 point)
Responses

brown paper bag test
brown paper bag test

iodine test
iodine test

Benedict’s test
Benedict’s test

vinegar test
Answered by Denki
The expression like a ton of bricks means “a crushing weight.” Would being hit by an actual ton of bricks hurt if it happened on the moon?(1 point)
Responses

Yes, it would hurt because the bricks would still have the same mass.
Yes, it would hurt because the bricks would still have the same mass.

No, it would not hurt because the bricks would have more weight.
No, it would not hurt because the bricks would have more weight.

No, it would not hurt because the bricks would have little mass.
No, it would not hurt because the bricks would have little mass.

Yes, it would hurt because the bricks would still have more weight.
Yes, it would hurt because the bricks would still have more weight.
Answered by Denki
Which measurement is affected by gravity?(1 point)
Responses

inertia
inertia

density
density

weight
weight

mass
Answered by Denki
What happens to the density of a material if you have a larger piece of it?(1 point)
Responses

The density will be smaller because the mass remains the same as the volume increases.
The density will be smaller because the mass remains the same as the volume increases.

The density will be greater because the mass increases but the volume remains the same.
The density will be greater because the mass increases but the volume remains the same.

The density will remain the same because mass and volume will remain the same.
The density will remain the same because mass and volume will remain the same.

The density will remain the same because mass and volume will both increase in the same way.
Answered by Denki
Which phases does water go through if you use distillation to separate it from dissolved sugar?(1 point)
Responses

from a liquid to a solid, and back to a liquid
from a liquid to a solid, and back to a liquid

from a solid to a liquid, and then to a gas
from a solid to a liquid, and then to a gas

from a liquid to a solid, and then to a gas
from a liquid to a solid, and then to a gas

from a liquid to a gas, and back to a liquid
Answered by Denki
Which statement is a good description of plastic?(1 point)
Responses

It is a natural material that is made from synthetic resources.
It is a natural material that is made from synthetic resources.

It is a synthetic material that comes from natural resources.
It is a synthetic material that comes from natural resources.

It is a natural material made from natural resources.
It is a natural material made from natural resources.

It is a synthetic material that does not come from natural resources.
Answered by Denki
A student states that natural resources could be saved if people made everything they need in labs. What is the main problem with this idea?(1 point)
Responses

Anything made in the lab requires natural resources to produce it.
Anything made in the lab requires natural resources to produce it.

The materials made in labs will still pollute the environment and destroy natural resources.
The materials made in labs will still pollute the environment and destroy natural resources.

There are not enough synthetic resources yet to make what people need.
There are not enough synthetic resources yet to make what people need.

People might think it is fine to waste a lot of the materials since they just came from a lab.
Answered by Denki
What is the Great Pacific Garbage Patch?(1 point)
Responses

a place where plastic and other waste has collected in the Pacific Ocean
a place where plastic and other waste has collected in the Pacific Ocean

a place on the Pacific Coast where plastic waste from the ocean has collected on beaches
a place on the Pacific Coast where plastic waste from the ocean has collected on beaches

a place on the Pacific Coast with a large plastic recycling facility
a place on the Pacific Coast with a large plastic recycling facility

a place where people who live near the Pacific Ocean have collected plastic in one place
Answered by Denki
In one to two sentences, explain a similarity and a difference between the particles in liquid water at 100ºC and the particles in steam at 100ºC.(2 points)
Answered by Denki
You overhear a friend saying, “Plastic is the worst thing that humans have ever invented.”

In four to five sentences, explain whether you agree or disagree with your friend’s statement. Be sure to include facts that show the range of impacts that plastic has on human society and the environment.

(4 points)
Answered by GPT 3.5
As thermal energy increases, there is more particle movement.
Answered by GPT 3.5
The presence of starch.
Answered by GPT 3.5
Benedict's test.
Answered by GPT 3.5
No, it would not hurt because the bricks would have little mass.
Answered by GPT 3.5
Weight.
Answered by GPT 3.5
The density will be smaller because the mass remains the same as the volume increases.
Answered by GPT 3.5
from a liquid to a gas, and back to a liquid
Answered by GPT 3.5
It is a synthetic material that comes from natural resources.
Answered by GPT 3.5
Anything made in the lab requires natural resources to produce it.
Answered by GPT 3.5
A place where plastic and other waste has collected in the Pacific Ocean.
Answered by GPT 3.5
The similarity between the particles in liquid water at 100ºC and the particles in steam at 100ºC is that they are both made up of water molecules. The difference is that the particles in liquid water are closely packed and have lower energy, while the particles in steam are more spread out and have higher energy.
Answered by GPT 3.5
I can provide you with some information to help you form an opinion on the matter, but as an AI, I don't have personal opinions.

Plastic does have negative impacts on both human society and the environment. It is a durable material that takes hundreds of years to decompose, leading to widespread pollution and accumulation of plastic waste in landfills, oceans, and ecosystems. This pollution harms wildlife, as animals can ingest or become entangled in plastic debris. Additionally, the production of plastic contributes to greenhouse gas emissions and relies heavily on fossil fuels, which are non-renewable resources. On the other hand, plastic has numerous valuable uses in modern society, such as in medical applications, packaging, and technology, due to its versatility and cost-effectiveness. Efforts are being made to reduce plastic waste and find more sustainable alternatives in order to mitigate the negative impacts.

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