Question 1

study of matter and how it changes

Accepted Answer

chemistry

Question 2

is made during a chemical reaction

Accepted Answer

product

Question 3

starting material in a chemical reaction

Accepted Answer

reactant

Question 4

amount of space an object takes up

Accepted Answer

volume

Question 5

amount of matter in an object

Accepted Answer

mass

Question 6

vertical column on the periodic table

Accepted Answer

group (family)

Question 7

horizontal row in the periodic table

Accepted Answer

period

Question 8

subatomic particle with a positive charge

Accepted Answer

proton

Question 9

subatomic particle with no charge

Accepted Answer

neutron

Question 10

subatomic particle with a negative charge

Accepted Answer

electron

Question 11

state of matter with a definite volume but no definite shape

Accepted Answer

liquid

Question 12

A state of matter that has a definite shape and a definite volume

Accepted Answer

solid

Question 13

Force = mass x acceleration

Accepted Answer

2nd law of motion

Question 14

a system for specifying the precise location of objects in space and time

Accepted Answer

frame of reference

Question 15

gravity's pull on an object's mass

Accepted Answer

weight

Question 16

stored energy based on position

Accepted Answer

potential (PE)

Question 17

energy based on motion

Accepted Answer

kinetic (KE)

Question 18

when 2 waves are in same place at same time

Accepted Answer

superposition

Question 19

waves that can travel through empty space (no medium needed)

Accepted Answer

electromagnetic

Question 20

waves that require a medium

Accepted Answer

mechanical

Question 21

are not colors

Accepted Answer

black and white

Question 22

is both mechanical and longitudinal

Accepted Answer

sound waves

Question 23

an apparent change in frequency of waves due to motion of sound source or observer

Accepted Answer

Doppler effect

Question 24

device that can separate white into the 7 colors

Accepted Answer

prism

Question 25

lever, pulley, wheel and axle, inclined plane, wedge, and screw

Accepted Answer

simple machines

Question 26

gloves, gowns, masks, goggles

Accepted Answer

PPE

Question 27

force x distance

Accepted Answer

Work

Question 28

work / time

Accepted Answer

Power

Question 29

an object in motion stays in motion until acted on by a net force

Accepted Answer

1st law of motion

Question 30

a quantity with only magnitude

Accepted Answer

scalar quantity

Question 31

a quantity that has both magnitude and direction

Accepted Answer

vector quantity

Question 32

speeding up, slowing down, or changing direction

Accepted Answer

acceleration

Question 33

the most common state of matter in the Universe

Accepted Answer

plasma

Question 34

change in the number of neutrons

Accepted Answer

isotope

Question 35

any object that is thrown or launched

Accepted Answer

projectile

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