Which statement correctly describes the relationship between thermal energy and particle movement?(1 point)
Responses
As thermal energy increases, there is less particle movement.
As thermal energy increases, there is less particle movement.
As thermal energy increases, particle movement does not change.
As thermal energy increases, particle movement does not change.
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.
As thermal energy increases, there is more particle movement.
23 answers
As thermal energy increases, there is more particle movement.
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 starch
the presence of starch
the presence of baking powder
the presence of baking powder
the presence of glucose
the presence of glucose
the presence of lipids or fat
Responses
the presence of starch
the presence of starch
the presence of baking powder
the presence of baking powder
the presence of glucose
the presence of glucose
the presence of lipids or fat
the presence of starch
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
iodine test
iodine test
vinegar test
vinegar test
brown paper bag test
brown paper bag test
Benedict’s test
Benedict’s test
Responses
iodine test
iodine test
vinegar test
vinegar test
brown paper bag test
brown paper bag test
Benedict’s test
Benedict’s test
Benedict’s test
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
No, it would not hurt because the bricks would have more weight.
No, it would not hurt because the bricks would have more weight.
Yes, it would hurt because the bricks would still have more weight.
Yes, it would hurt because the bricks would still have more weight.
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 little mass.
Responses
No, it would not hurt because the bricks would have more weight.
No, it would not hurt because the bricks would have more weight.
Yes, it would hurt because the bricks would still have more weight.
Yes, it would hurt because the bricks would still have more weight.
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 little mass.
No, it would not hurt because the bricks would have little mass.
Which measurement is affected by gravity?(1 point)
Responses
density
density
weight
weight
mass
mass
inertia
Responses
density
density
weight
weight
mass
mass
inertia
Weight
What happens to the density of a material if you have a larger piece of it?(1 point)
Responses
The density will remain the same because mass and volume will both increase in the same way.
The density will remain the same because mass and volume will both increase in the same way.
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.
Responses
The density will remain the same because mass and volume will both increase in the same way.
The density will remain the same because mass and volume will both increase in the same way.
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 both increase in the same way.
Which phases does water go through if you use distillation to separate it from dissolved sugar?(1 point)
Responses
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
from a liquid to a gas, and back to a liquid
from a liquid to a solid, and back to a liquid
Responses
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
from a liquid to a gas, and back to a liquid
from a liquid to a solid, and back to a liquid
from a liquid to a gas, and back to a liquid
Which statement is a good description of plastic?(1 point)
Responses
It is a synthetic material that does not come from natural resources.
It is a synthetic material that does not come from natural resources.
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.
Responses
It is a synthetic material that does not come from natural resources.
It is a synthetic material that does not come from natural resources.
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 comes from natural resources.
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.
People might think it is fine to waste a lot of the materials since they just came from a lab.
People might think it is fine to waste a lot of the materials since they just came from a lab.
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.
Responses
Anything made in the lab requires natural resources to produce it.
Anything made in the lab requires natural resources to produce it.
People might think it is fine to waste a lot of the materials since they just came from a lab.
People might think it is fine to waste a lot of the materials since they just came from a lab.
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.
Anything made in the lab requires natural resources to produce it.
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 where people who live near the Pacific Ocean have collected plastic in one place
a place where people who live near the Pacific Ocean have collected plastic in one place
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 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
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 where people who live near the Pacific Ocean have collected plastic in one place
a place where people who live near the Pacific Ocean have collected plastic in one place
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 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 where plastic and other waste has collected in the Pacific Ocean
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)
A similarity between the particles in liquid water at 100ºC and steam at 100ºC is that they are both composed of water molecules. A difference is that the particles in liquid water are closely packed and have a definite volume, while the particles in steam are more spread out and have no definite volume.
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.
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.
As an AI language model, I don't have personal opinions but I can provide you with information on this topic.
The statement that "Plastic is the worst thing that humans have ever invented" depends on the perspective and context in which it is evaluated. While plastic has undeniable negative impacts on the environment, such as contributing to pollution, it also has numerous benefits. Plastic is lightweight, durable, and versatile, making it a valuable material in many industries, including healthcare, transportation, and packaging. It has revolutionized sectors like medicine, food preservation, and transportation, providing immense convenience and safety. However, the improper disposal and management of plastic waste, as well as its non-biodegradable nature, have led to significant pollution of ecosystems and harm to wildlife. Therefore, addressing the issues associated with plastic waste, promoting recycling, and seeking sustainable alternatives are important steps to mitigate the negative impacts of plastic on the environment and human society.
The statement that "Plastic is the worst thing that humans have ever invented" depends on the perspective and context in which it is evaluated. While plastic has undeniable negative impacts on the environment, such as contributing to pollution, it also has numerous benefits. Plastic is lightweight, durable, and versatile, making it a valuable material in many industries, including healthcare, transportation, and packaging. It has revolutionized sectors like medicine, food preservation, and transportation, providing immense convenience and safety. However, the improper disposal and management of plastic waste, as well as its non-biodegradable nature, have led to significant pollution of ecosystems and harm to wildlife. Therefore, addressing the issues associated with plastic waste, promoting recycling, and seeking sustainable alternatives are important steps to mitigate the negative impacts of plastic on the environment and human society.