PHYSICAL CHANGE vs. CHEMICAL CHANGE 702

A process in which atoms rearrange to form new substances is known as ____.

• a. physical change

• b. physical activity

• c. chemical change

• d. chemical activity

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Something that is made of all the same atoms or groups of atoms is known as a _____.

• a. situation

• b. substance

• c. element

• d. composition

Tags

NGSS.MS-PS1-1

Something that can be observed about a substance, such as color, smell, or boiling point is known as its ______.

• a. substance

• b. volume

• c. chemistry

• d. property

Tags

NGSS.MS-PS1-2

In physical changes, substances might change in ________ but not in ________.

• a. volume; state of matter

• b. appearance; composition

• c. texture; color

• d. weight; mass

What do you think happens to atoms after a chemical change?

• a. they remain in the same place

• b. they become bigger

• c. they link up in different ways

• d. they dissolve to form a mixture

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following properties can change during a physical change?

• a. shape

• b. pH level

• c. flammability

• d. reactivity

Tags

NGSS.MS-PS1-4

A physical change may produce a new substance

• True

• False

Which of the following is an example of a precipitate?

• a. liquid evaporating into gas

• b. a solid formed from a frozen liquid

• c. a chunky solid formed from two liquid combining

• d. a liquid solution that contains two substances

Tags

NGSS.MS-PS1-5

Which of the following is an example of a physical change?

• a. sugar and oxygen reacting to produce water and carbon dioxide

• b. honey dissolving in tea

• c. a raw egg being cooked

• d. metal rusting after being left out in the rain

A physical change can sometimes result in a color change. Which of the following situations shows this?

• a. Milk turns yellow when it spoils

• b. Dough becomes darker when it is baked into cake

• c. A red candy dissolves and turns water pink.

• d. A match turns black when it is burned.