Science worksheet · Flowers, seeds and photosynthesis

How Plants Make Food

Fill in six sentences about photosynthesis, then explain what happens to a plant kept in the dark.

Share:
Grade level
Grades 3–5
Time
About 20 minutes
Answer key
Yes, page 2 of the PDF
Kids practice
Flowers and pollination, Seeds, Photosynthesis

What kids do

Printed on the sheet:

  1. Photosynthesis is how a plant makes its own food in its leaves, using light, water and air.
  2. 1. Fill in the blanks.
  3. 1. Leaves take in from the air through tiny holes.
  4. 2. Roots take in from the soil.
  5. 3. Leaves use energy from to make food.
  6. 4. The green color in leaves,
  7. 5. The food a plant makes is a kind of
  8. 6. Plants give off

Words on this sheet

carbon dioxidewatersugaroxygen

Teacher tip

Put one plant in a dark closet for a week as a real test.

How to use it

  • Take apart a real flower with tweezers.
  • Show seeds that fly, stick or float.
  • Let partners compare answers and settle any differences with a book or a video.

Watch for

Plants don’t eat soil. They make food from light, air and water.

Talk about it

  • How do seeds get to new places?
  • How could we find out if that is true?

Take it further

Plant a pollinator garden in a pot by the window.

US Letter, prints well in black and white. Free for home and classroom use: print as many copies as you need.

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