Key Terms
2-1 Descrbing Matter
2-2 Measuring Matter
2-3 Particles of Matter
2-4 Elements From Earth
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. Atoms are the smallest particle of an element.
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
Finish this statment- Dalton stated that atoms of different elements are _____________ from one another.
What is different
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
According to Dalton, masses of the elements in a compound are ____________
What is always in a constant ratio
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
This scientist believed that atoms were like tiny marbles, rigid spheres that cannot be broken
Who is Dalton?
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
This means "unbreakable"
What is ATOMOS
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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