Super Quiz: 4-Letter Science Words

1. One of the planets.

2. A gas used in electric lamps.

3. Polluted air that is a mixture of smoke and fog.

4. A gray metal used in the making of pipes.

5. The central portion of Earth.

6. It turns red litmus paper blue.

7. Sodium chloride.

8. It equals force times distance.

9. This soft powder is No. 1 on Mohs scale of mineral hardness.

ANSWERS

1. Mars

2. Neon

3. Smog

4. Lead

5. Core

6. Base

7. Salt

8. Work

9. Talc