Atoms & Molecules
What is a molecule?
Two or more atoms bonded together
Is melting ice cream a chemical or a physical change?
Physical Change
What is a force?
A push or a pull
What is kinetic energy?
The energy of motion
What is the name for the highest point of a wave?
Crest
What is the center of the atom called?
Nucleus
Is a banana rotting a chemical or physical change?
Chemical Change
How many laws of motion does Newton have?
In what way does heat transfer?
HOT TO COLD
Does an electromagnetic wave need a medium to travel through?
No
Name an element on the periodic table.
Answers will vary!
Is burning wood an exothermic or an endothermic reaction?
Exothermic
How do you calculate force?
What is potential energy?
Stored energy an object has due to its position, its chemical makeup, or its shape.
Name a wave on the electromagnetic spectrum.
Radio, Microwave, Infrared, Visible Light, Ultraviolet, X-Ray, Gamma Ray
Name the three subatomic particles that make up an atom.
Proton, Neutron, & Electron.
What is the Law of Conservation of Mass?
States that in a chemical reaction atoms are neither created nor destroyed.
What is Newton's First Law of Motion?
Objects at rest remain at rest, and objects in motion stay in motion with the same velocity, unless acted on by an unbalanced force.
Name the three ways that heat can transfer?
Conduction, Convection, & Radiation.
What is the formula to calculate wave speed?
Wavelength * Frequency
What is a covalent bond?
When two atoms are bonded together by sharing electrons.
Is this a balance equation?
3Ca + 2P = Ca3P2
No
What is Newton's Third Law of Motion?
For each action there is an equal and opposite reaction.
What is the Law of Conservation of Energy?
No matter how energy is transformed, all energy is still present somewhere in one form or another. Energy cannot be created or destroyed.
If the frequency of a wave increases, what happens to the wavelength?
The wavelength decreases.