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WorksheetsUnit 4 _ Day 1 - Photosynthesis
Total questions: 10
Worksheet time: 19mins
Green plants produce their own food during photosynthesis. Which of these substances is released in photosynthesis?
carbon dioxide
chlorophyll
Oxygen
Water
In photosynthesis, light energy is transformed into chemical energy. In which molecule is the chemical energy stored?
carbon dioxide
water
oxygen
glucose
When sunlight strikes a plant, the leaves capture most of that energy to use for photosynthesis. Which of these materials helps plants use energy from sunlight?
chlorophyll
glucose
roots
soil
What would happen to the amount of carbon dioxide in the Earth’s atmosphere if all trees were cut down? Why?
Nothing
It would increase.
It would decrease.
It would stay the same.
In the process of photosynthesis, plants use carbon dioxide, water, and energy to form carbohydrates and oxygen. Which of the following best explains how plants follow the Law of Conservation of Mass during photosynthesis?
The reaction uses energy to produce a produce a product without energy.
A gas (carbon dioxide) and a liquid (water) use energy to produce a solid (carbohydrates).
The amount of each element that begins photosynthesis equals the amount of each element that is produced.
The amount of carbohydrates at the beginning of photosynthesis equals the amount of oxygen that is produced.
