Exploring Light

3. To make a shadow smaller, you can move the object closer to the ________.
5. called the ___________ light source.
7. A light source created by humans, like a lamp or a flashlight, is also a __________ light source.
8. A shadow is formed when light is partially or completely ________ by an object.
9. Light always travels in ________ lines.

1. Anything that gives off light is called a light ________.
2. We can see objects around us because they ________ light into our eyes.
4. A light source that occurs in nature, like the sun,
6. An area of darkness created when an object gets in the way of light.
8. When an object moves closer to the light source, its shadow becomes ________.