Front

A group of students created a model showing a type of matter. What does the model show? Options: particles that make up a liquid, particles that make up a specific color, particles that make up heat, microscopic pieces of ice inside a glass of water.

Back

particles that make up a liquid

Front

A glass of saltwater is sitting on a table. Which of the following best describes the matter in this saltwater?

Back

It is made up of more than one type of molecule.

Front

A teacher wants to make a model to show her students that gas is a type of matter. Which of the following would best show this to the students? Options: a beaker of sand absorbing water, an ice cube melting, a pot of liquid bubbling, a balloon filled with air and then letting it out.

Back

a balloon filled with air and then letting it out

Front

Pria found a container of an unknown substance in her refrigerator. She created a table of her observations and measurements of this substance. What question was Pria likely asking in this investigation?

Back

What are the properties of this substance?

Front

A cook has containers with several white powders in them. She cannot tell the powders apart by looking at them. Which of the following would help her determine the properties of each powder?

Back

All of the above

Front

Which substance could be the small rocks? (Options: Substance 1, Substance 2, Substance 3, Substance 4)

Back

Substance 1

Front

Maxine poured two different substances together in a glass beaker. Below are her observations both before and after she mixed these substances. Maxine makes a claim that a new substance formed as a result of mixing these two substances. What evidence from the data best supports this argument?

Back

The new substance had different properties.

Front

Why is hot air used to make a hot-air balloon rise?

Back

The hot air molecules move quickly, bouncing off each other and the walls of the balloon to create energy.

Front

LaToya claims that since she can no longer see the hot chocolate powder after mixing it with milk, it must no longer be there. Which observation would show that the powder is still in the mixture? Options: The weight of the powder plus the weight of the milk is less than the weight of the mixture., The weight of the powder plus the weight of the milk is more than the weight of the mixture., The weight of the milk is equal to the weight of the mixture., The weight of the powder plus the weight of milk is equal to the weight of the mixture.

Back

The weight of the powder plus the weight of milk is equal to the weight of the mixture.

Front

Yong pours 1 cup of liquid water into an ice tray and then puts it in the freezer to make ice. Which statement about the liquid water and the ice is accurate? Options: When the ice froze, it had the same amount of water as it did when it was a liquid; When the ice froze, it gained more water; When the ice froze, it had twice as much water as it did when it was a liquid; When the ice froze, it lost some water in the process.

Back

When the ice froze, it had the same amount of water as it did when it was a liquid.