Winter Escape! - Science Review

Front

What is inertia?

Back

Inertia is the tendency of an object to remain at rest or in uniform motion unless acted upon by an unbalanced force.

Front

What is a dependent variable?

Back

A dependent variable is the variable that is being measured or tested in an experiment, which depends on the independent variable.

Front

Which animal can make very low pitch sounds that humans cannot hear?

Back

Elephants can produce very low pitch sounds that are inaudible to humans.

Front

What do smooth surfaces do to light?

Back

Smooth surfaces reflect a lot of light.

Front

What happens when light bounces off an object?

Back

When light bounces off an object, it is said to reflect.

Front

What is the definition of acceleration?

Back

Acceleration is the rate of change of velocity of an object with respect to time.

Front

What is uniform motion?

Back

Uniform motion is when an object moves at a constant speed in a straight line.

Front

What is Newton's 3rd law of motion?

Back

Newton's 3rd law states that for every action, there is an equal and opposite reaction.

Front

What is the difference between reflection and refraction?

Back

Reflection is when light bounces off a surface, while refraction is when light bends as it passes through different mediums.

Front

What is the role of a control variable in an experiment?

Back

A control variable is a factor that is kept constant to ensure that the results of an experiment are valid.