Force and Work
Physical and Chemical Changes
Potential and Kinetic Energy
Energy Transformations
Elements, Compounds, and Formulas
100
The amount of energy used when a force moves an object a certain distance.
Work
100
Changes that can be made to a substance without changing its identity are:
Physical changes
100
The ability to do work
Energy
100
The change in energy from one form to another
Energy transformation
100
The tiny particles that all matter is made from is called:
Atoms
200
_____is measured in Newtons,____is measured in meters, and ___is measured in Joules.
Force, distance, and work.
200
These changes occur when substances chemically react with each other and new substances are formed.
Chemical changes
200
The energy of motion
Kinetic energy
200
The energy stored in substances, such as the food we eat.
Chemical energy
200
The two types of pure substances are:
Elements and compounds
300
A push or a pull applied to an object
A force
300
Another word for a solid that is formed in a chemical reaction is:
Precipitate
300
Stored energy, or energy due to an object's position.
Potential energy
300
A flashlight's energy transformation goes from:
Chemical to electrical to light.
300
The different types of atoms are called:
Elements
400
=Force X Distance
Work
400
Gas production, precipitate/solid formation, a change in color or temperature, and bubbles are all signs of a:
Chemical change
400
Energy can neither be created nor destroyed, but it can be transformed or transferred.
The law of the conservation of energy.
400
The energy transformation in a stereo goes from
Electrical to sound.
400
Most elements have what type of symbol?
A two letter symbol.
500
=Work/Force
Distance
500
What are some words that mean changing of size and shape?
Stretch, tear, grind, crush, break, and shatter.
500
Chemical, nuclear, gravitational, and elastic
Forms of potential energy
500
The energy transformation of burning wood goes from:
Chemical to thermal and light
500
What are the two types of pure substances?
Elements and compounds
M
e
n
u