Eddie took 500 grams of milk and dissolved 250 grams of chocolate powdered mix. What is the new mass of the mixture?

• 250 grams

• 500 grams

• 750 grams

• 1,000 grams

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Why should space be left at the top of a plastic bottle filled with water and put in the freezer?

• Because water expands when frozen

• Because water contracts when frozen

• Because plastic contracts when frozen

• Because plastic expands when frozen

Tags

NGSS.MS-PS1-4

Tony is in the classroom using several items substances to demonstrate changes in matter. He has access to cold and hot water. Tony knows if he uses the hot water the changes may happen __________ than if he used cold water.

• Louder

• Safer

• Faster

• Slower

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Identify the body system shown below.

• Skeletal

• Muscular

• Nervous

• Circulatory

What are 3 ecosystems that do not have many trees?

• Desert

• Grassland

• Tropical Rainforest

• Deciduous Forest

• Tundra

What characteristic did a cat most likely inherit from their parents?

• Food preference

• Ability to meow/purr

• Fur color

• Ability to climb

Which of the following is not used to reduce friction?

• Wheels

• Ball bearings

• Oil

• Rough Surfaces

Describe what happens during transpiration.

• Gas from plants become a solid

• Liquid from plants becomes a solid

• Liquid from plants becomes a gas

• Gas from plants becomes a liquid

Which explains why there are gaps between concrete sidewalks?

• When it’s cold the sidewalk expands without cracking.

• When it’s hot the sidewalk expands without cracking.

• When it’s cold the sidewalk contracts without cracking.

• When it’s hot the sidewalk contracts without cracking.

Tags

NGSS.MS-PS1-4

Juda lives in the southern hemisphere. What season does he experience during July?

• Summer

• Winter

• Spring

• Autumn

Tags

NGSS.MS-ESS1-1