Which of these is a physical change, not a chemical change?

Which of these is a chemical property, not a physical property?

Which of these is a chemical change, not a physical change?

Which of the following is an example of freezing?

The temperature at which a solid becomes a liquid is called

The process of a solid changing directly to a gas is called

Which of the following is an example of boiling?

When a gas changes into a liquid, the process is called

Iron is attracted to a magnet while tin is not. If a mixture of iron and tin pieces is placed near a magnet,

Juan has a piece of wood 8 cm long, 4 cm wide, and 2 cm high. What is the volume?

The smallest basic unit of matter is called

Mass can be measured in units of

The amount of mater in a desk is the desk's

In which of the following states can molecules and atoms move?

Ice is different from water because ice has a different

Matter is

The particles of a pencil

Air has

Which of these substances has a fixed volume but not a fixed shape?

If you add lemon juice, sugar, and water together to make lemonade, you are creating

Three common states of matter are

Ther volume of a toaster is

Jonathan cooked an egg for breakfast. First he broke the shell and put the egg in the bowl where he beat the egg with a fork. He cooked the egg, placed it on his plate, and cut it up into smaller pieces to eat. Which of the following involves a chemical change in the egg?

Which of the following describes a chemical change taking place?

Which of the following can be separated into its parts by physical means?

The phase change represented by arrow 5 would be called...

For a change to be classified as a chemical reaction, which of the following MUST occur upon mixing two or more chemicals?

Warren completely burned a log that weighed 10 kilograms. When he collected the ashes and weighed them, they weighed only 1.4 kilograms. Which of the following explains this difference in weight?

Which of the following sets of illustrations best represents the sublimation of iodine molecules?

A physical property is a characteristic that can be observed without changing the substance into another.

John reaches into his backpack and feels around for a pencil. He identifies a pencil by its chemical properties, including its size, shape, and texture.

A physical property of paper is that it will burn easily.

Compared with 100 g of soap, 200 g of the same soap has the same density.

Louise drops a glass on a tile floor. The glass shatters into tiny pieces. It has undergone a chemical change.

Density is the mass of a substance divided by its volume.

When you cool a gas, it loses energy, and its particles move more slowly. If you continue to cool the gas, it condenses into a ___________

When the water in a pot on a stove starts to bubble, it has reached its __________

Dry ice can change directly from a solid to a gas when _______________ occurs.

Rock must become very hot, such as it would become inside a volcano, to become a liquid. this means that rock has a high _______________

Dew droplets form when water vapor _______________ from the air.

A wet towel gradually dries because fast-moving water particles on the surface break away and become gas particles. This process is called _______________

Liquid water becomes solid at 0^o C. Therefore, 0^o is the ________________ of water.