Which of the following objects will float in water?

• straw

• washer

• wood block

• marble

This question has two parts. Choose only one answer in each part. A student notices that water drops have formed on a cold glass of lemonade left on a table. Part A: Which process describes the formation of water drops on the cold glass?

• Boiling

• Condensation

• Freezing

• Melting

This question has two parts. Choose only one answer in each part. A student notices that water drops have formed on a cold glass of lemonade left on a table. Part B: Which statement describes the answer in Part A?

• Adding heat to a liquid can change it to a gas

• Removing heat from a liquid can change it to a gas

• Removing heat from a gas can change it to a liquid

• Adding heat to a gas can change it to a liquid

Tags

NGSS.MS-PS1-4

What is the state of matter that has no definite shape of its own and will escape from its container?

• liquid

• solid

• property

• gas

A student notices wax dripping down the sides of a burning candle. As the wax pools around the candle, it begins to harden. Part A: Which process describes the hardening of the liquid wax at the bottom of the candle?

• Boiling

• Condensation

• Freezing

• Melting

Tags

NGSS.MS-PS1-4

This question has two parts. Choose only one answer in each part. A student notices wax dripping down the sides of a burning candle. As the wax pools around the candle, it begins to harden. Part B: Which statement describes the answer in Part A?

• Adding heat to a liquid can change it to a solid

• Removing heat from a liquid can change it to a solid

• Removing heat from a solid can change it to a liquid

• Adding heat to a solid can change it to a liquid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Place the steps in order to describe how wind weathers rock.

• A) J, G, H, F

• B) G, H, J, F

• C) H, F, G, J

• D) F, H, G, J

Tags

NGSS.MS-ESS2-2

Which of these food chains are possible?

• yucca --> coyote --> rattlesnake

• coyote --> rat --> yucca

• yucca --> lizard --> rattlesnake

• yucca --> rat --> coyote

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Which populations would most likely perish in a fire? Choose TWO correct answers.

• African Starlings (birds)

• Giraffe

• Bushwillow tree

• Zebra

• Savanna grasses

Tags

NGSS.MS-LS2-4

Below is a grassland food chain. What might happen to the rest of the food chain if there was an increase in the mouse population?

• The grasshopper population will increase.

• The snake population will increase.

• The hawk population will decrease.

• The grass population will decrease.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4