Physical Science

Question 1

Radiation

Answer 1

Transfer of heat from the sun

Question 2

Convection

Answer 2

Transfer of heat through electromagnetic waves

Question 3

Conduction

Answer 3

Transfer of heat through touch

Question 4

Physical properties

Answer 4

Properties hat an object has that we can us our five senses to describe

Question 5

Physical Changes

Answer 5

Changes that are made to an object but aren’t chemical changes because the object doesn’t change state and you can get the original object back.

Question 6

Chemical Properties

Answer 6

Can be observed only through a chemical reaction

Question 7

Chemical changes

Answer 7

Changes that can’t be reversed

Question 8

Average speed

Answer 8

Distance divided by time

Question 9

Velocity

Answer 9

Speed and direction an object is moving

Question 10

Friction

Answer 10

A force that occurs when two object rub against each other

Question 11

Newton’s First law

Answer 11

When an object is in motion it wants to stay in motion. When an object is at rest it wants to stay at rest. This is called inertia

Question 12

Newtons 2nd Law

Answer 12

When two forces on an object are balanced the object does not move. When the forces are unbalanced the object moves.

Question 13

Newtons 3rd law

Answer 13

For every action, there is an equal and opposite reaction

Question 14

Force

Answer 14

A push or a pull