Physical Science Unit 1 Review

Front

What is needed to make an inference?

Back

Background knowledge.

Front

What is the purpose of a control group in an experiment?

Back

Comparison.

Front

Convert 9 km to mm.

Back

9,000,000 mm.

Front

Convert 23 cm to m.

Back

0.23 m.

Front

Which unit is the largest: hm, cg, g, or dm?

Back

hm.

Front

What is the scientific method?

Back

A systematic process for experimentation that is used to explore observations and answer questions.

Front

What is a hypothesis?

Back

A testable prediction about the relationship between two or more variables.

Front

What is the difference between qualitative and quantitative observations?

Back

Qualitative observations describe characteristics, while quantitative observations involve measurements and numbers.

Front

What is the purpose of a variable in an experiment?

Back

To test the effect of changes in one factor on another.

Front

What is the metric unit for measuring mass?

Back

Gram (g).