WVGSA Grade 5 Science Practice Questions - West Virginia General Summative Assessment Grade 5 Science Exam

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A student grows lettuce plants in a container filled with water and dissolved minerals, without using any soil. The lettuce plants grow large, green, and healthy. What does this hydroponic investigation prove?

Plants get most of their matter from soil. Plants do not require soil to grow as long as they have water, air, light, and nutrients. Plants can grow in total darkness if planted in water. Plants convert liquid water into solid rocks.

Correct Answer:

Plants do not require soil to grow as long as they have water, air, light, and nutrients.

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