Question 1

Where do nutrients in the soil come from?

Accepted Answer

organic matter

Answer

sunlight

Answer

rainwater

Question 2

What does compost consist of?

Accepted Answer

decomposed plants that are full of nutrients

Answer

large and small animals that eat plants

Answer

weeds that prevent plants from growing

Question 3

Why did the tomatoes have blossom end rot?

Accepted Answer

They didn't get enough calcium.

Answer

The farmer didn't till the soil.

Answer

Egg shells were placed in the soil.

Question 4

According to the video, soil is a mixture of--

Accepted Answer

minerals, air, water, and organic matter.

Answer

minerals, weathered rocks, and small animals.

Answer

weathered rocks, water, and sunlight.

Question 5

Which mineral nutrients do most plants need to thrive?

Accepted Answer

nitrogen, phosphorus, and potassium

Answer

phosphorus only

Answer

oxygen and carbon

Question 6

What happens to plants that don't get the mineral nutrients they need?

Accepted Answer

They won't be healthy.

Answer

They will receive the nourishment they need.

Answer

They will thrive.

Question 7

Which two processes are needed for soil formation?

Accepted Answer

weathering and decomposition

Answer

photosynthesis and tilling

Answer

decomposition and humus

Question 8

Wind, water, and ice cause rocks to--

Accepted Answer

weather.

Answer

decompose.

Answer

grow.

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