Physical Science

Question 1

Radiation

Answer 1

The emission of energy as electromagnetic waves or as moving subatomic particle.

Question 2

Convection

Answer 2

Heat transferred through radiation

Question 3

Conduction

Answer 3

Heat through touch

Question 4

Physical properties

Answer 4

Is a properties that is measurable

Question 5

Physical changes

Answer 5

A Change that changes the appearance

Question 6

Chemical properties

Answer 6

Composition or identity of the substance is changed

Question 7

Chemical changes

Answer 7

Something that is being changed and can not go back to its old form

Question 8

Average speed

Answer 8

The speeds average time

Distance divided by time

Question 9

Velocity

Answer 9

Describes the speed and the direction of an objects motion

Question 10

Friction

Answer 10

The resistance that one surface or object encounters when moving over another

Question 11

Newton’s first law

Answer 11

When an object in motion it wants to stay in motion. When an object is at rest it wants to stay at rest forever. Inertia

Question 12

Newton’s second law

Answer 12

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

Question 13

Newton’s third law

Answer 13

For every action there is a equal and opposite reaction.

Action - Reaction

Question 14

Force

Answer 14

A push or a pull