How do plants grow?

How does the amount of water affect plant growth?

Ms. Shar is trying to decide where to seat Mya so she won’t talk as much during class. Ms. Shar moves Mya to different seats and tallies her shout outs in each location.

What is Ms. Shar changing?

Ms. Shar is trying to decide where to seat Mya so she won’t talk as much during class. Ms. Shar moves Mya to different seats and tallies her shout outs in each location.

What is Ms. Shar measuring?

Ms. Shar is trying to decide where to seat Mya so she won’t talk as much during class. Ms. Shar moves Mya to different seats and tallies her shout outs in each location.

What should Ms. Shar keep the same?

Ms. Shar wants to know the best plant food for her tomato plants. She tests four different types of fertilizer on four different tomato plants and measures their heights each day. She gives them the same sunlight and water.

What is the Independent Variable?

Ms. Shar wants to know the best plant food for her tomato plants. She tests four different types of fertilizer on four different tomato plants and measures their heights each day. She gives them the same sunlight and water.

What is the Dependent Variable?

Ms. Shar wants to know the best plant food for her tomato plants. She tests four different types of fertilizer on four different tomato plants and measures their heights each day. She gives them the same sunlight and water.

What are the Controlled Variables?