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Definitions
Measuring Matter
Energy
Changes in Matter
Describing Matter
100
atoms
The basic particle from which all elements are made.
100
V =LxWxH
What is the formula for volume?
100
potential energy
When you stretch a rubber band, your action gives it potential or Kinetic energy to snap back.
100
no
Is tarnishing an example of physical change? yes or no
100
The study of the properties of matter and how matter changes.
What is Chemistry?
200
mixture
Made of two or more substances, elements, compounds or both.
200
.75 or 3/4
If a piece of wood had a mass of 30g and a volume of 40cm. What is the density?
200
electrical energy
The energy of electrically charged particles moving from one place to another.
200
physical change
any change that alters the form or appearance or matter but does not make any substance in matter into a different substance.
200
yes
Are elements the simplest substances? yes or no
300
kinetic energy
The energy of matter in motion.
300
D=M/V
What is the formula for density?
300
A change in which one or more substances combine or break apart to form a new substances.
What is chemical change?
300
physical change
Is a change in shape or form a physical change or chemical change?
300
chemical bond
A force of attraction between two atoms.
400
Density
The mass of a material in a given volume.
400
1000 grams
1 kg = how many grams?
400
the energy of electrically charged particles moving from one place to another.
What is electrical energy?
400
a change in which energy is taken in.
What is endothermic change?
400
yes
Is evaporation a method to separate mixtures? yesorno
500
electromagnetic energy
A form of energy that travels through space as waves.
500
0.5 or 1/2
If the mass of an object is 100g and the volume is 200cm. What is the density?
500
kinetic, potential, chemical, electromagnetic, electrical, and thermal energy
What are the six forms of energy related to changes in matter?
500
The fact that matter is not created or destroyed in any chemical or physical change.
what is law of conservation of mass?
500
A pure substance made of two or more elements chemically combined in a set ratio.
What is a compound?