Never perform activities that are (a)   . Always ask your teacher first.

Always (a)   your assignment before getting started. If in doubt, ask your teacher for help.

Safety glasses and a (a)   should be worn when dissecting or while using chemicals.

Keep _______ materials away from open flames. If clothing should catch fire, smother it with a _______ or coat.

(a)  

Never (a)   or inhale any chemical substance.

Fill in the names of the weather instruments and their uses. (a)   - Measures wind speed.

Fill in the names of the weather instruments and their uses. (a)   - Measures air pressure.

Fill in the names of the weather instruments and their uses. (a)   - Measures inches of rain fallen.

Fill in the names of the weather instruments and their uses. (a)   - Measures the direction of the wind.

Fill in the names of the weather instruments and their uses. (a)   - Measures water vapor in the air.

Fill in the names of the weather instruments and their uses. (a)   - Measures relative humidity in the air.

Broken glass and solid substances should be placed in their appropriate (a)   .

When your activity is completed, (a)   your work area and return all materials to their proper places.

Report any accident, injury, or incorrect procedure to your (a)   immediately.