Photosynthesis

Plants trap light energy from the sun in their ___.
1. roots
2. stems
3. leaves
4. flowers
While sunlight is being stored in the plant's leaves, the plant's roots are taking in what?
1. water and chlorophyll
2. minerals and water
3. minerals and seeds
4. seeds and water
The plant needs to take in what gas for photosynthesis?
1. oxygen
2. carbon monoxide
3. carbon dioxide
4. helium
When the plant has everything it needs for photosynthesis, it makes what?
1. seeds
2. flowers
3. roots
4. food
What is the food called that plants make?
1. sugar / glucose
2. sap / syrup
3. chlorophyll / green
4. roots / sap
What gas is given off during photosynthesis?
1. carbon dioxide
2. helium
3. carbon monoxide
4. oxygen
As fall arrives, instead of storing light energy, the chlorophyll does what?
1. turns purple
2. breaks down
3. moves to the roots
4. dies
As the chlorophyll breaks down, the leaves die, turn colors, and what?
1. drop off
2. become roots
3. turn into flowers
4. make seeds
When a plant becomes inactive, without producing food, it is called what?
1. chlorophyll
2. dormant
3. flowering
4. seeding
Dormancy is brought on by changes in a plant's what?
1. flowers
2. environment
3. roots
4. stems