Science DOK 2 & 3 Review Flashcard

Front

A student pushes a box with a force of 10 N to the right. Friction applies a force of 4 N to the left. What is the net force acting on the box?

Back

6 N right

Front

What happens to the gravitational force between two objects if their masses increase?

Back

It increases

Front

Why can't sound travel through space?

Back

Sound needs a medium to travel.

Front

Which piece of evidence would best support the theory of evolution?

Back

Similar bone structures in birds and bats

Front

Why do stars appear to move across the night sky?

Back

Earth rotates on its axis

Front

What is the primary reason that the sky appears blue during the day?

Back

Scattering of sunlight by the atmosphere

Front

What happens to the speed of light when it passes from air into water?

Back

It decreases

Front

Which factor does not affect the gravitational force between two objects?

Back

The volume of the objects