1. Ask the adult you are working with to light the candle. 2. Watch the candle flame start out small and get bigger. Notice how some of the wax near the wick melts. 3. As the flame burns, the wax from ...
The objective of this guide is to provide laboratory employees with a framework for spill response planning. This planning must be done in advance, not after a spill occurs. All spills are different; ...
1. Carefully pour some milk in a dish so it just covers the bottom. 2. Gently add one or two drops of red, blue, and yellow food coloring to the same spot in the center of the milk. 3. Dip a cotton ...
ACS Regional Meetings are organized by ACS Local Sections and reflect the diverse professional interests in their geographic regions. These meetings feature excellent technical programs on a variety ...
You wouldn’t know it if you looked at her now, but a year ago, Amy was a mess. She had skin rashes and stomach cramps that would mysteriously come and go. Every time she had a flare-up, Amy suffered ...
Students will be able to develop and explain a particle-level model to describe their observations of water dissolving salt, the water evaporating, and the salt crystals re-forming. Dissolving a solid ...