Light

Which of the following is a source of light?

Light travels ...

A shadow forms when light hits a dark object because ...

We can see our face in a mirror because light is ...

We can see a chair in a bright room even though the chair is not a light source because ...

Light can pass through a transparent object such as ...

An object that light cannot pass through is called a ... object.

The object that reflects light best is ...

Which of the following is an artificial light source?

Sunlight entering through a window gap appears as a straight beam. This shows that light ...

When the Sun is directly overhead, our shadow looks shorter because ...

A concave mirror is often used in a flashlight because it can ...

A convex mirror is used on vehicle rear-view mirrors so the driver can ...

The image formed by a plane mirror has the property of being ...

We cannot see objects in a dark room because ...

An object looks red under white light because the object ...

Two plane mirrors are placed facing each other, then a candle is lit between them. We see many images of the candle because ...

In the late afternoon, shadows are longer than at midday because ...

A straw placed in a glass of water looks bent. This happens because light is ...

The best way to prove that light travels in straight lines is ...