💭 Finish the hypothesis

The answers, and why

1. Finish the hypothesis: "If I change the length of the string, then ___ will go up or down, because…" how many swings it makes in 15 seconds. Yes. The middle of a hypothesis is what you'll measure: how many swings it makes in 15 seconds.

2. Finish the hypothesis: "If I change how long the catapult's throwing arm is, then ___ will go up or down, because…" how far the paper ball flies. Yes. The middle of a hypothesis is what you'll measure: how far the paper ball flies.

3. Finish the hypothesis: "If I change what is sprinkled on the ice, then ___ will go up or down, because…" how long the ice cube takes to melt. Yes. The middle of a hypothesis is what you'll measure: how long the ice cube takes to melt.

4. Finish the hypothesis: "If I change how much dish soap goes in, then ___ will go up or down, because…" how long the oil and water take to split back into two layers. Yes. The middle of a hypothesis is what you'll measure: how long the oil and water take to split back into two layers.

5. Finish the hypothesis: "If I change where the water is left, then ___ will go up or down, because…" how far the water level drops in two days. Yes. The middle of a hypothesis is what you'll measure: how far the water level drops in two days.

6. Finish the hypothesis: "If I change the colour of the paper, then ___ will go up or down, because…" how many degrees the thermometer under the paper warms in 20 minutes. Yes. The middle of a hypothesis is what you'll measure: how many degrees the thermometer under the paper warms in 20 minutes.

7. Finish the hypothesis: "If I change how long the spinner's blades are, then ___ will go up or down, because…" how long the spinner takes to fall. Yes. The middle of a hypothesis is what you'll measure: how long the spinner takes to fall.

8. Finish the hypothesis: "If I change how much water is in the bottle, then ___ will go up or down, because…" how long the bottle takes to roll down the ramp. Yes. The middle of a hypothesis is what you'll measure: how long the bottle takes to roll down the ramp.