What happens to the shadow when the object moves closer to the light source?

Which force pulls objects toward the Earth?

What is the unit of force?

Which of these is an example of potential energy?

What do we use to measure temperature?

Which surface will produce more friction?

What happens when light hits a mirror?

Which of the following is a non-luminous object?

What kind of energy does a moving object have?

What causes day and night on Earth?