CAST Test Prep

Front

What model will have the least soil erosion? Options: The one with plants, The one with rocks, The one with just soil, They are all the same

Back

The one with plants

Front

What statement about plants is true?

Back

A plant must mature before producing flowers.

Front

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

Back

changing from a liquid to a solid

Front

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

Back

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

Front

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

Back

There is no difference in weight.

Front

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?

Back

9 grams

Front

What do plants need to breathe?

Back

carbon dioxide

Front

What are all plants called?

Back

producers

Front

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

Back

decomposer

Front

What direction does gravity on Earth pull?

Back

towards the center of the earth