Vocabulary

Question 1

Matter

Answer 1

Anything that takes up space and can be weighed.

Question 2

Homogeneous Mixture

Answer 2

A mixture that has the same composition throughout the whole thing.

Question 3

What is another word for homogeous mixture?

Answer 3

A solution

Question 4

Heterogeneous Mixture

Answer 4

A mixture in which the composition is not the same throughout the whole thing.

Question 5

Colloid

Answer 5

A mixture with very small particles that are distributed equally.

Question 6

Suspension

Answer 6

A heterogeneous mixture of finely distributed particles.

Question 7

Element

Answer 7

A basic part of a whole

Question 8

Compound

Answer 8

A substance is made up of two or more different elements that are chemically bonded together.

Question 9

Melting point

Answer 9

The temperature at which an object melts.

Question 10

Freezing Point

Answer 10

The temperature point at which a liquid freezes.

Question 11

Boiling point

Answer 11

The point at which a liquid starts to boil and evaporate.

Question 12

Freezing

Answer 12

When a liquid turns into a solid at a cold temperature.

Question 13

Melting

Answer 13

When a solid turns into a liquid at a very hot temperature.

Question 14

Vaporization

Answer 14

When a liquid gets hot and turns into a gas.

Question 15

Evaporation

Answer 15

liquid turning into gas below its boiling point.

Question 16

Boiling

Answer 16

liquid turning into gas at its boiling point.

Question 17

Bose-Einstein condensate

Answer 17

Gas from elements lighter than air

Question 18

Independent variable

Answer 18

A variable that doesn’t need another variable.

Question 19

Dependent Variable

Answer 19

A variable that depends on the independent variable

Question 20

Motion

Answer 20

A change in position

Question 21

Reference point

Answer 21

A place that you use for comparison when measuring an object’s motion.

Question 22

Average Speed

Answer 22

the average speed at which an object has traveled over time.

Question 23

Instantaneous speed

Answer 23

Speed measured at any given moment

Question 24

Velocity

Answer 24

The measure of how fast something is going in a given direction

Question 25

Acceleration

Answer 25

How fast an object speeds up.

Question 26

Force

Answer 26

An action that changes or maintains the motion of a body or object.

Question 27

Net force

Answer 27

The sum of all forces pushing and pulling on an object

Question 28

Newtons

Answer 28

A measurement used to measure force.

Question 29

Balanced forces

Answer 29

When 2 forces are the same strength but act in different directions.

Question 30

Unbalanced Forces

Answer 30

when the force applied to an object is bigger than another.

Question 31

Inertia

Answer 31

The tendency of a body to resist a change in motion or rest

Question 32

Friction

Answer 32

A force between 2 objects that are in contact.

Question 33

What are the three types of friction?

Answer 33

1) Static 2) Sliding 3) Rolling

Question 34

Air resistance

Answer 34

The frictional force that air exerts against a moving object

Question 35

Gravity

Answer 35

An invisible that pulls objects to the center of the earth

Question 36

Law of Universal Gravitation

Answer 36

Every particle is attracted to the other particles in the universe.

Question 37

Momentum

Answer 37

Mass in motion

Question 38

Law of conservation of motion

Answer 38

The momentum of a system is content if no external forces are acting on the system.

Question 39

Newtons 1st Law

Answer 39

An object remains at rest until acted upon by another force

Question 40

Newtons 2nd law

Answer 40

It needs to force to accel (Think cars)

Question 41

Newtons 3rd Law

Answer 41

Every action has its equal opposite reaction

Question 42

Potential Energy

Answer 42

Stored energy

Question 43

Gravitational PE

Answer 43

The energy stored in an object due to its height and position

Question 44

Chemical PE

Answer 44

The energy stored in the chemical bonds of a substance (Bomb)

Question 45

Elastic PE

Answer 45

Energy stored as a result of applying force to an elastic object (Stretched-out rubber band)

Question 46

Kinetic Energy

Answer 46

Energy an object has because of its motion

Question 47

Mechanical Energy

Answer 47

Total Energy (KE + PE)