Review for Science MPT 4.4

Which of the following is not a sign of a physical change?

• change in state (solid/liquid/gas changes into another form)

• change in texture

• expected temperature change

• burning

Tags

NGSS.MS-PS1-4

Anything that has mass and takes up space is called

• rust

• density

• matter

• volume

If a metal bonds with a nonmetal, what type of bond is formed?

• ionic

• covalent

The neutral particle that exists in the nucleus of an atom and has no charge is called a(n) .

An atomic particle that has one positive charge (1+) is known as a(n) .

According to this pH scale, what is the approximate pH of: Soapy Water ________ Oven Cleaner ________ Vinegar ________ Black Coffee ________ Stomach Acid ________ Pure Water ________ (Refer to the pH scale diagram for answers.)

• Soapy Water: 12, Oven Cleaner: 13, Vinegar: 2, Black Coffee: 5, Stomach Acid: 1, Pure Water: 7

• Soapy Water: 8, Oven Cleaner: 10, Vinegar: 6, Black Coffee: 3, Stomach Acid: 4, Pure Water: 9

• Soapy Water: 5, Oven Cleaner: 7, Vinegar: 12, Black Coffee: 2, Stomach Acid: 9, Pure Water: 1

• Soapy Water: 11, Oven Cleaner: 14, Vinegar: 3, Black Coffee: 6, Stomach Acid: 2, Pure Water: 8

Tags

NGSS.MS-PS1-2

What does 'endothermic' mean?

• Result of a chemical reaction

• A process that absorbs energy or heat

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What does 'exothermic' mean?

• Releases energy or heat

• Absorbs energy or heat

Tags

NGSS.MS-PS3-5

What evidence supports global climate change?

• Rise in CO₂ levels.

• Increase in ocean acidity and temperature.

• Increase in severe weather.

• All of the above.

Tags

NGSS.MS-ESS3-5

Human activities have contributed to global climate change.

• True

• False

Tags

NGSS.MS-ESS3-4

NGSS.MS-ESS3-5