A. Promblem
B. hypothesis
C. Testing the hypothesis (experiment)
D. Result or conclusion

1.Hannah soaked 5 different kinds of seeds in water overnight. Then she planted the seeds in soll at a depth of 1 inch. She used the same amount of water, light, and heat for each kind of seed.

2.Paul read about hydroponics. He wanted to know how plants could grow without soil.

3.tim said, "if i grow seedlings in red light, the plants will grow faster than 5 plants grown in white light."

4.Ester's experimented showed that earthworms move away from light

5.michael experimented with the diets of guinea pigs. He found that guinea pigs need vitamin C and protein in their diets. ​