States of Water, Physical & Chemical Changes

The three states of matter are solid, liquid, and gas. Which is an example of water as a solid?

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Water changes states when energy is added or taken away. Which claim describes what happens to liquid water when energy is added?

• It melts into a gas.

• It freezes into a solid.

• It evaporates into a gas.

• It condenses into a solid.

Tags

NGSS.MS-PS1-4

Water is found as a liquid, solid, or gas. What happens when water changes from a gas to a liquid?

• It melts.

• It freezes.

• It condenses.

• It evaporates.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Isamar changed water from a liquid to a gas. What did Isamar do to the water?

• She froze the water.

• She melted the water.

• She added energy to the water.

• She removed energy from the water.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Water is found in all three states of matter. Which shows the change of state involved when water freezes?

• changes from a solid into a gas

• changes from a gas into a liquid

• changes from a solid into to a liquid

• changes from a liquid into a solid

Tags

NGSS.MS-PS1-4

Salim blows up a new balloon and then lets the air out. He examines the physical change he caused to the balloon

Which best describes the physical change in the balloon?

• change in size

• change in color

• change in position

• change in number of pieces

Elise helps her teacher create a bulletin board showing different types of physical changes. The bulletin board has a folded piece of paper, a beach ball filled partially with air, and a piece of cloth with a rip in it. Which of the following could Elise add to the bulletin board to show another type of physical change?

• a flat bicycle tire

• a picture of melting ice

• a piece of foil with a cut in it

• a wire that has been bent

Ella has to write a research paper on physical changes. Which gives the best definition of a physical change?

• a change that gives off heat

• a change that causes bubbles to form

• a change in size, shape, or state

• a change that makes a new substance

Jayden adds salt to a pot of boiling water. Which best explains why adding salt causes a physical change?

• the water changes color

• the salt dissolves in the water

• the water changes temperature

• the salt burns in the boiling water

Adela sees her grandmother’s teapot on a shelf. The teapot is silver and has some tarnish on the outside. What does the tarnish indicate?

• change of state

• physical change

• chemical change

• change of texture

Tags

NGSS.MS-PS1-2