Who Needs Dirt?

How much dirt is in a hole that's 2 meters long, 1 meter wide, and 2 meters deep?

• 4 cubic meters
• 4 cubic feet
• 2 cubic meters
• none

If we ranked all of the things that plants need in order to survive, dirt would be _____

• at the top
• near the top
• near the middle
• at the bottom

A useful material that can be drawn from when needed is called _____

• a resource
• an organ
• photosynthesis
• roots

Special body parts that perform a specific function are called _____

• resources
• organs
• leaves
• soil

Our stomach and intestines are examples of _____

• tissues
• cells
• organs
• organ systems

Which of these is NOT a main organ of a plant?

• roots
• stems
• leaves
• lungs

The process that plants use to turn light energy into chemical energy is called _____

• combustion
• photosynthesis
• respiration
• digestion

Plants use nutrients to make chlorophyll, which they use for the process of _____

• combustion
• photosynthesis
• respiration
• digestion

Which organ is mostly involved in photosynthesis and the exchange of gases?

• the leaves
• the stem
• the roots
• the lungs

The leaf is the plant organ where the exchange of _____ takes place.

• gases
• dirt
• water
• soil