4G Science 2nd 9wks Review

Front

What is the effect of mass on falling time?

Back

Falling time does not change with the mass of a falling object.

Front

What force acts between a rolling ball and a table?

Back

Friction between the ball and table.

Front

What should you do with old shoes to minimize environmental impact?

Back

Recycle or donate the damaged shoes and the small ones.

Front

What direction should an arrow point to show the force on a ball rolling on grass?

Back

Draw an arrow from the grass to the ball, pointing to the left.

Front

How does water affect rocks on an ocean beach?

Back

Water changes the rocks of an ocean beach by eroding and weathering them.

Front

What is friction?

Back

Friction is a force that opposes the motion of an object when it comes into contact with another surface.

Front

What is gravity?

Back

Gravity is the force that attracts two bodies towards each other, such as the Earth pulling objects towards its center.

Front

What is erosion?

Back

Erosion is the process by which natural forces like water, wind, or ice wear away rocks and soil.

Front

What is weathering?

Back

Weathering is the breaking down of rocks into smaller pieces by natural processes.

Front

What is a contact force?

Back

A contact force is a force that acts at the point of contact between two objects.