Justin usually blows his nose with Kleenex brand tissues. His snot keeps leaking through the tissue. He wants to see if there is a better brand. What is the dependent variable in his experiment?

Mr. McNice wanted to see how different types of music affected students heart rate. What is the independent variable in his experiment?

Nick wanted to see how high an ice cube would float in different temperatures of water. What is the independent variable?

Tiffany was investigating to see how fast it took Hayden to react to different sounds. Identify the dependent variable.

A(n) ______ variable is something that should stay the same throughout the entire experiment.

A(n) _____ variable is the 1 thing that is changed or manipulated by the scientists

_____ data is collected when you use your senses.

Which of the following is considered an inference?

Which of the following is an observation?

Which of the following is an example of a hypothesis?

Which of the following is an example of a prediction?

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