Matter & Energy

Question 1

Matter

Answer 1

anything that has mass, occupies space, and has inertia

Question 2

Atom

Answer 2

117 known to man
92 occur naturally
about one dozen most what we can see

Question 3

molecule

Answer 3

combination of two or more atoms

Question 4

Simple Molecule

Answer 4

Oxygen+Nitrogen

Question 5

Complex Molecule

Answer 5

DNA

Question 6

Chemical Reaction

Answer 6

atoms rearrange to form different molecules

Question 7

Substance

Answer 7

definite and constant composition

Question 8

Element

Answer 8

cannot be boken down

Question 9

Compound

Answer 9

substance of two ore more different elements CHEMICALLY bonded together

Question 10

Mixtures

Answer 10

substances mix together without chemicals

Question 11

States of Matter

Answer 11

solid-vibrate about fixed positions
liquid-freely moveable
gas-vibrate at greater rate

Question 12

Kinetic Energy

Answer 12

energy in motion

Question 13

Potential Energy

Answer 13

stored energy, mechanical energy

Question 14

Rest Energy

Answer 14

energy of an object by virtue of its mass

Question 15

Law of Conservation on Energy

Answer 15

energy cannot be destroyed or created