Testable Hypothesis

How does changing to Tide laundry detergent affect the number of stains left on my clothes?

• Testable Question
• Not a Testable Question

Which soda tastes better?

• Testable Question
• Not a Testable Question

If I tested to see if changing the size of bike tire will affect the bike's speed, then I think large wheels will go faster because they cover more ground.

• Testable Question
• Hypothesis

True or false: A testable question compares how one thing affects another thing.

• True
• False

Every hypothesis begins with what word?

• Does
• If
• Which
• Then

Choose the best-written hypothesis that answers the question:
Question: Why is my room warmer during the day than at night?

• Sunlight is making my room warmer.
• Mr. Rivas has the heat turned on in the morning.
• If I close my blinds during the day, then my room will be cooler because sunlight cant get in.
• Sunlight actually cools down a room.

Does the type of shoes affect the running speed?Which is the correct testable question?

• If the subject wears boots, then the subject will jump the fastest.
• If the subject wears heels, then the subject will run the slowest.
• The subject wears Nike, then the subject will run the fastest.
• If I wear Nike, then I will run the slowest.

Does the amount of water affect the plant's height?

Which hypothesis is correct?

• If the plant receives 20ml of water, then the plant will grow the shortest.
• The plant will receive 20 ml of water, then the plant will grow the tallest.
• If the plant receives, then the plant will grow the tallest.
• If the plant receives 10 ml of soda, then it will grow tall.

What is the Independent Variable (IV) in the following testable question: Does the temperature of a tennis ball affect the height of its bounce?

• the temperature of tennis ball
• height of the bounce

Mrs. G set up an experiment to see how the type of ball affects the distance it rolls off a ramp.  Identify the Independent Variable in this experiment.

• distance traveled by the ball
• height of the ramp
• the type of ball