Key Terms
2-1 Descrbing Matter
2-2 Measuring Matter
2-3 Changes in Matter
2-4 Energy and Matter
100
Anything that has mass or takes up space
What is matter
100
The study of the properties of matter and how matter changes
What is chemistry
100
Find the density of an object when it's mass is 40g and volume is 8 cm cubed
What is 5g/cm cubed
100
True or False. A substance that undergoes a physical change is still the same substance after the change
What is true
100
The energy an object has because of its position
What is potential energy
200
A pure substance that cannot be broken down into any other substances by chemical or physical means
What is element
200
True or False. Each substance in a mixture does not keep its individual properties.
What is false
200
The formula of density
What is Denisty= Mass/Volume
200
Suppose you had 1 carbon atom, 4 hydrogen atoms, and 4 oxygen atoms. After placeing them in fire, how many atoms would there be?
What would be the same amount to begin with
200
The internal energy stored in the chemical bonds between atoms
What is chemical energy
300
The measurement of the amount of matter in an object
What is mass
300
The basic particle from which all elements are made
What is atom
300
Find the volume of an object if the density is 25 g/cm cubed and the mass is 100 g
What is 4 cm cubed
300
Temperature is related to the amount of ______ an object has
What is thermal energy
300
A form of energy that travels through space waves
What is electromagnetic energy
400
The ability to do work or cause change
What is energy
400
The two properties that every form of matter has
What is physical and chemical properties
400
Relates the mass of a material in a given volume
What is density
400
True or False. Like physical change, a chemical change produces new substances with properties different from those of original substances
What is false
400
Name 3 out of 6 forms of energy related to changes in matter may include
What is kinetic, potential, chemical, electromagnetic, electrical, or thermal energy
500
The energy of matter in motion
What is kinetic energy
500
Four ways to separate a mixture
What using a magnet, filtering the mixture, distilling a liquid solution, and evaporation
500
Find the volume of a cube that sides are all 3 cm
What is 27 cm cubed
500
The fact that matter is not created or destroyed in any chemical or physical change
What is the law of conservation of mass
500
True or False. During a chemical change, chemical energy may be changed to other forms of energy.
What is true
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