I predict that the penny will hold 25 drops of water. This statements is best described as a

In an experiment, the factor that changes is called a

Diagrams, tables and graphs are used by scientists mainly to

Mary conducted an experiment to find out how much light was needed by cactus plants to grow. What is the independent (manipulative) variable?

Karen determined that the paper airplane flew 25 meters in an experiment. She is making a

Sam wanted to know if talking to plants makes them grow taller. What should the dependent variable be in his experiment?

Why would repeating an experiment be a good idea?

Which of the following is acceptable during the scientific process?

When Kyle was measuring water in a graduated cylinder, he noticed that the surface of the water was not level, but curved. What is this curved surface called?

Observations and measurements that are collected as a result of an experiment are called

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