Spiral Review

Front

What is the purpose of a glass mirror?

Back

A glass mirror reflects light, allowing us to see our image.

Front

What is the independent variable in an experiment?

Back

The independent variable is the factor that is changed or manipulated in an experiment.

Front

What is the dependent variable in an experiment?

Back

The dependent variable is what is measured or observed in an experiment.

Front

What does it mean for something to be denser?

Back

An object is denser if it has more mass per unit volume compared to another object.

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one medium to another, such as from air to water.

Front

What happens to light when it reflects off a surface?

Back

When light reflects off a surface, it bounces back at the same angle it hit the surface.

Front

What is the difference between controlled and independent variables?

Back

Controlled variables are kept constant, while the independent variable is changed to observe its effect.

Front

Why does a penny appear closer at the bottom of a pool?

Back

The penny appears closer due to the refraction of light as it passes from water to air.

Front

What is an example of a controlled variable in an experiment?

Back

An example of a controlled variable could be the temperature at which an experiment is conducted.

Front

What is the scientific method?

Back

The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.