Science P4 End of term

The _ is an organized set of investigation procedures used by scientists.

• scientific method

• scientific law

• scientific theory

A _ is an educated guess or testable prediction

• control

• hypothesis

• dependent variable

A(n) _ is a factor that doesn't vary in an experiment.

• constant

• control

• independent variable

Process that uses observations and investigation to gain knowledge about events in nature is called _.

• science

• predicting

• inferring

Using one or more of your senses to gather information is called

• Inferring

• Observing

• Predicting

• Hypothesizing

An educated guess or testable prediction is a

• theory

• law

• hypothesis

• conclusion

The steps commonly used by scientists in gathering information to test hypotheses and solve problems are called _____.

• scientific inquiry

• hypothesis

• scientific method

Which of the following is a scientific observation? 

• The potato is brown in color.
• The potato tastes the best.
• The potato may cause allergies.
• The potato smells funny. 

A scientist is collecting data on the number of times a cricket chips per minute. What sense is the scientist most likely using to make observations?

• hearing
• smell
• sight
• touch

Why should an experiment be repeated?

• to form a hypothesis
• to reduce the chance of error
• to change controls
• to identify the problem