Angie conducts an experiment. Her results do not support her hypothesis. What should she do?

Which of the following is always an important part of an experiment?

Models allow scientists to test things that might be too expensive or difficult to test using the real item. Which of the following would be an investigation that uses a model?

Scientists include controls in their experiments. Why is a control important?

A teacher writes the following note on a student's experimental design: You did not identify and control variables. Why is it important to identify and control variables?

A hypothesis must be testable. Which one is testable?

A scientific method is a way to investigate a scientific problem. Although the order of steps may vary, the tasks performed during each step often stays the same. During which step of the scientific method would a scientist collect data?

All matter is made of atoms. atoms are too small to be seen with human eyes alone. Which model would be useful for studying the structure of atoms?

An investigation and experiment are exactly the same thing. True or false?

All scientists perform experiments indoors inside of labs.

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