1. What do Plants Need to
Live?
Types of Plants
3rd grade

2. What are the major parts of a
plant?

3. What are the major parts of a plant?
FLOWERS produce seeds
and SEEDS produce new plants.
Reproduction!
LEAVES absorb sunlight and
produce the plant's food.
Photosynthesis!
TRUNK OR STEM supports the
plant and transports the fluids
throughout the plant.
Transpiration!
ROOTS bring water and nutrients
into the plant. They also anchor
the plant.

4. What do plants need to live?

5. Water
Why do plants need water?
What happens if we never water
plants?
What happens if we water plants every
day?
What kind of water can we use?

6. Nutrients
Why do plants need soil?
How do the plants get nutrients?
Think about places where plants don’t
grow.
Why do you think there are more plants in
the forest than in a desert?

7. Light
Why do plant need light?
What happens when plants don’t have
light?
What kind of light?

8. Soil
Do plants need soil to
grow? Why?
Can plants grow without
soil?
Hydroponics!
Can plants grow in sand?
Can plants grow on
rocks?

9. What do plants need to live?
Water
Nutrients
Light
Soil

10. Essential Questions
How do plants get what they need from their
environments?
Ryan notices that the lettuce plants in the
garden are drooping. The soil is dry, and the
sun is hot. What should Ryan do? How do
you know?
Suppose you are observing two different
plants. They both are in the same soil,
receive the same amount of sunlight. But you
only water one of the plants. Predict which
plant will be healthier. Explain.