Unit 6 & 7 (Physics)

Question 1

The study of interactions of matter and energy in all their diverse forms

Answer 1

physics

Question 2

Anything that occupies space and has form or shape

Answer 2

matter

Question 3

The constant quantity of matter within a physical oobject

Answer 3

mass

Question 4

The term used to describe mass of an object in a gravitational field

Answer 4

weight

Question 5

What are the 3 base quantities?

Answer 5

mass
length
time

Question 6

What is defined as the distance from one end to another end

Answer 6

length

Question 7

What is the standard unit of time

Answer 7

second (s)

Question 8

The segment of physics that deals with the motion of objects

Answer 8

mechanics

Question 9

Velocity can also be called ______

Answer 9

speed

Question 10

What is the equation for velocity?

Answer 10

V=d/t (distance/time)

Question 11

What is the rate of change of velocity with time

Answer 11

acceleration

Question 12

What is the equation for acceleration?

Answer 12

A=Vf-Vo/t (final velocity-initial velocity) (divided by time)

Question 13

The act, process, or state of changing place or position

Answer 13

motion

Question 14

What law states “A body will remain at rest or continue to move with a constant velocity in a straight line unless acted on by an external force”?

Answer 14

Newton’s First Law: Inertia

Question 15

What is the equation for force?

Answer 15

F=mXa (mass X acceleration)

Question 16

What law states “For every action there is an equal and opposite reaction”?

Answer 16

Newton’s Third Law: Acion/Reaction

Question 17

What is the acceleration of gravity on earth?

Answer 17

9.8 m/s2 (squared)

Question 18

What is the acceleration of gravity on the moon?

Answer 18

1.6 m/s2(squared)

Question 19

A force on a body caused by the downward pull of gravity on it

Answer 19

weight

Question 20

What is the equation for weight?

Answer 20

Wt = m X g (mass X acceleration of gravity)

Question 21

What is the equation for work?

Answer 21

W = f X d (force X distance)

Question 22

What is the ability to do work?

Answer 22

energy

Question 23

What is the energy to do work by virtue of position

Answer 23

potential energy

Question 24

What is energy in motion?

Answer 24

Kinetic energy

Question 25

What is the equation for potential energy?

Answer 25

PE = mgh (mass X acceleration of gravity X height)

Question 26

What is the equation for kinetic energy?

Answer 26

KE = 1/2 mv2 (mass X velocity squared)

Question 27

What is the type of energy found in an xray?

Answer 27

electromagnetic energy

Question 28

What are the 3 ways heat can be transferred?

Answer 28

conduction, convection & radiation

Question 29

How do you convert Celsius to Fahrenheit and Fahrenheit to Celsius?

Answer 29

``` F = (9/5C) + 32 C= 5/9 (F-32) ```

Question 30

What is the smallest particle that has all the properties of an element?

Answer 30

atom

Question 31

What is the earliest reference to the term atom called?

Answer 31

Greek atom

Question 32

What type of atom do we still refer to today?

Answer 32

Bohr Atom

Question 33

What is the nucleus of an atom?

Answer 33

positively charged core in the center of the atom

Question 34

What charge do protons have?

Answer 34

+1

Question 35

What charge do electrons have?

Answer 35

-1

Question 36

What charge do neutrons have?

Answer 36

neutral

Question 37

What is the Z number?

Answer 37

atomic # / total number of protons

Question 38

What is the A number?

Answer 38

total # of protons and neutrons

Question 39

What do you calculate the electron limit per shell?

Answer 39

2(n)squared (2 X shell # squared) | *the letter K starts at 1 and each letter increases by 1

Question 40

What is an unstable atom, or an atom with an additional electron or an electron removed?

Answer 40

ionized atom

Question 41

What are atoms called that have the same # of protons but a different # of neutrons

Answer 41

an ison?otope

Question 42

What are radioactive atoms that have the same # of protons?

Answer 42

radioisotope

Question 43

Which radioactive decay process is a more violent process and could cause more harm to the body?

Answer 43

Alpha process

Question 44

What is particulate radiation?

Answer 44

Any subatomic particle capable of causing ionization

Question 45

What are the 2 forms of electromagnetic radiation?

Answer 45

x-rays and gamma rays