Plant Growth Light Experiments

Name:

Date:

Plants growing under different coloured lights

🌱 Part 1: Understanding Light and Plants

1. What do plants need to grow? Circle ALL the correct answers:

Water

Light

Chocolate

Air

Soil

2. Which colour of light do you think will help plants grow best?

Red light

Blue light

Green light

Yellow light

3. What is your prediction? Why do you think this colour will work best?

I think _________ light will help plants grow best because _________________________________

_________________________________________________________________________

4. Complete the sentence: A scientist is someone who ________________________

_________________________________________________________________________

🔬 Part 2: Recording Our Experiment

5. Draw your plant BEFORE putting the coloured cover on it:

6. What colour light cover is your group using? ___________________

7. Fill in your observation chart. Use these words to help you: tall, short, green, yellow, healthy, droopy, straight, bent

Day 1: The plant looks _________________________________________________

_________________________________________________________________________

Day 3: Now the plant looks ____________________________________________

_________________________________________________________________________

Day 5: The plant has changed by ______________________________________

_________________________________________________________________________

8. Draw your plant AFTER 5 days under the coloured light:

🌿 Part 3: Comparing Results

9. Which group's plant grew the tallest? What colour light did they use?

10. Which group's plant looked the healthiest? What colour light did they use?

11. What did you learn about plants and light? Complete this sentence:

Plants grow best when _______________________________________________________

because ________________________________________________________________

12. If you could do this experiment again, what would you change or try differently?

Plant Growth Light Experiments

Plant Growth Light Experiments

🌱 Part 1: Understanding Light and Plants

🔬 Part 2: Recording Our Experiment

🌿 Part 3: Comparing Results

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