What's a synonym for control group

predict what will happen to the state of a substance and the atomic or molecular activity (or activity of the particles) when thermal energy is added to a solid. what will happen when thermal energy is added to a liquid?

What should I do for science fair this year?

Which of the following is a pure substance that can be separated by physical means and can't be decomposed into other substances by chemical means A: element B:molecule C: compound D: mixture

Phosphorus is most abundant in the

One alternative to burning fossil fuels in order to produce electricity.

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda