energy is defined as the ability to do....work.
The Smoot-Hawely Tariff Act
Having a control in an experiment allows you to see what happens when no variables are changed. If you do not have a control, you do not have anything to compare your results with after changing variables of the experiment.
a) an idea that has never been proven wrong
Water forms hydrogen bonds, which gives it a strong surface tension.
They have the same number of protons in the nucleus and same number of electrons surrounding the nucleus.
To be accurate, a theory must continue to explain what
This is due to capillary action but it is found in tiny tubes. If the water wets the sides of the tube, it will rise. If you get a coner of a napkin wet, more will become wet because of capillary action.
If you place a wilted stalk of celery in water it will become turgid (stiff) because of this action. Water is said to be "sticky" and will adherd to surfaces and to other water molecules.
use eye wash station
The chemical or chemicals formed in a chemical reaction are called the product of the chemical reaction.
to avoid accidents
the formation of a new species
Because it is as old as stone itself.
Lyndon B. Johnson
The growth cycle requires _____ to run.
Symbols are used in lab procedures and in other kinds of instructions to alert you to important information or to the potential for hazards if procedures are not carefully followed.
what Life is made of different _____, or forms of life.
A reactant is a substance that participates in and changes during a reaction.