57

Lesson 57 of 84 ยท Organisms

Experiment

Pollination: Flowers and Bees (Part 2)

What You'll Learn

Plants have specialized structures: roots anchor the plant and absorb water, stems transport materials, leaves capture sunlight, and flowers produce seeds for reproduction.

Key Words

  • germination
  • pollination
  • photosynthesis

Materials Needed

  • ruler
  • magnifying glass
  • paper towels

Safety First

  • Use materials only as directed in the experiment.
  • Keep small objects away from young children.
  • Work in a well-ventilated area when using vinegar or other strong-smelling substances.

Steps

Step 1 โ€” Read

Read about Organisms and write down three key facts.

Step 2 โ€” Do

Model natural selection: scatter colored paper scraps on grass. Time how long it takes a partner to pick up each color. Which color survived longest? Why?

Step 3 โ€” Observe

Watch carefully for any changes and note the time.

Step 4 โ€” Record

Create a data table to organize your measurements.

Check Your Understanding

Question 1

1 of 3

What part of a plant absorbs water from the soil?