A good experiment has ____ independent variable(s).

The variable the scientist is manipulating during and experiment is the _________ variable in an experiment.

Variables that are kept constand during an experimental trial are called ___________ variables.

Students of different ages were given the same jigsaw puzzle to put together. They were timed to see how long it took to finish the puzzle. What is the IV?

The higher the temperature of water, the faster an egg will boil. What would be the controlled variable(s) in this experiment?

The temperature of water was measured at different depths of a pond. What is the DV in this experiment?

An investigation was done with an electromagnetic system made from a battery and wire wrapped around a nail. Different sizes of nails were used. The number of paper clips the electromagnet could pick up was measured. What is the IV?

The dependent variable is the variable that is being _____________ in an experiment.

An investigation was done with an electromagnetic system made from a battery and wire wrapped around a nail. Different sizes of nails were used. The number of paper clips the electromagnet could pick up was measured. What is theDV?

The temperature of water was measured at different depths of a pond. What is the IV in this experiment?

A student wanted to test what milk kittens like. She sat out skim milk in the same place on the same day for 5 kittens and measured how much they drank. What did she do wrong?

An experiment for a new asthm a med was set up. Group one was given the new drug for asthma, while group 2 was given a sugar pill. The sugar pill serves as the _____.

What happens to the dependent variable in a controlled experiment?

A student wants to conduct an experiment to find out how pulse rates changes as the length of time spent exercising increases. The dependent variable will be

In an experiment studying how increasing amounts of acid rain affect pond w a ter, which of the following would be the dependent variable?

A well controlled experiment should be __________. Meaning that other scientists should get the same results.

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