Midterm Review: Part 1

Front

What causes night and day on earth?

Back

Earth's rotation.

Front

What is the mass on this triple beam?

Back

244g.

Front

The law of conservation of energy states that when one form of energy is converted into another form, __________

Back

Energy is neither created nor destroyed.

Front

Grilling Hamburgers OVER a charcoal flame is an example of what type of heat transfer?

Back

Radiation.

Front

In an experiment, what is the independent variable (I.V.)?

Back

The factor that is changed or controlled in a scientific experiment to test its effects on the dependent variable.

Front

What is the definition of convection?

Back

The transfer of heat through a fluid (liquid or gas) caused by the movement of the fluid itself.

Front

What is conduction?

Back

The transfer of heat through direct contact between materials.

Front

What is radiation in terms of heat transfer?

Back

The transfer of heat in the form of electromagnetic waves.

Front

What is the dependent variable (D.V.) in an experiment?

Back

The factor that is measured or observed in an experiment.

Front

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

Back

To provide a standard for comparison against the experimental group.