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What is absorption?
The light ray striking the object is taken in by the object.
Which type of rays are considered the most dangerous?
Gamma Rays are considered the most dangerous type of electromagnetic radiation because they carry the most energy.
What is Refraction?
The bending of light when it passes from one medium to another.
Define Conservation of Mass?
Mass cannot be created nor destroyed, only transformed.
How is the Periodic table arranged?
Elements on the periodic table are arranged by increasing atomic number.
What are Electron Shells?
Regions around the nucleus containing electrons.
What is a valence electron?
An electron in the outermost shell of an atom.
What is a control group?
A control group is a group of subjects in an experiment that do not receive the treatment being tested
What is the definition of mass?
The amount of matter in a substance.
What happens to the vibration of molecules when they get hot?
The vibration INCREASES
True or False- Dissolving lemonade mix into water is an example of a chemical change.
False! Chemical changes include: burning wood, rusting, digesting food, souring milk,
Which side of the formula are the reactants?
Left
