CAST Test Prep

What model will have the least soil erosion?

• The one with plants

• The one with rocks

• The one with just soil

• They are all the same

What statement about plants is true?

• A plant can produce fruit without pollinators.

• Fruit grows out of the leaves after pollination.

• A plant must mature before producing flowers.

• A plant must grow flowers before it can finish growing.

Which of these is NOT a sign of a chemical reaction?

• bubbles appear

• changing from a liquid to a solid

• heat is released

• changing from blue to pink

• a spark appears

Tags

NGSS.MS-PS1-2

What is true about motion of a ball on a slope?

• The higher the ball on the slope, the more friction it has.

• The higher the ball on the slope, the less friction it has.

• The higher the ball on the slope, the slower it will be at the bottom.

• The higher the ball on the slope, the faster it will be at the bottom.

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-5

If the cups have lids, what is the difference in weight of a cup of water before and after becoming frozen.

• The ice will weigh more

• There is no difference in weight.

• The liquid water will weigh more

• The weight would be the same as the cup.

Tags

NGSS.MS-PS1-5

If a plant weight 11 grams, and the plant pot weight 8 grams, what is the weight of the soil if the entire thing weighs 28 grams?

• 47 grams

• 19 grams

• 9 grams

• 7 grams

What do plants need to breathe?

• oxygen

• carbon dioxide

• all air

• they don't breathe

Tags

NGSS.HS-LS2-5

What are all plants called?

• decomposers

• consumers

• producers

• roses

What is the only kind of living thing that can connect a consumer back to a producer on a food web?

• another consumer

• another producer

• any animal or plant

• decomposer

Tags

NGSS.MS-LS2-2

What direction does gravity on Earth pull?

• down

• towards the center of the earth

• up

• gravity doesn't pull