Question

Jack did an experiment to determine how different types of lights affect plant growth. He grew 5 plants in darkness, 5 plants in fluorescent light, 5 plants in LED light and 5 plants in sunlight.

1. What was Jack's independent variable?

2. What was Jack's dependent variable?

3. Which of these groups is the control group?

4. What are 3 constants Joe should have in his experiment?

Answer 1

1 . Type of light
2. Plant growth/ height of plant
3. The plants in Sunlight
4. Type of plants, type of soil, amount of water

Answer 2

Answer:

1 . Type of light

2. Plant growth/ height of plant

3. The plants in Sunlight

4. Type of plants, type of soil, amount of water

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