Physical Science

Question 1

Radiation

Answer 1

The emission of electro magnetic waves or subatomic particles

Question 2

Convection

Answer 2

The caused with a fluid by the density of hotter or therefore less dense material to rise

Question 3

Conduction

Answer 3

The process where heat is directly transmitted through a substance when there is a difference of temperature.

Question 4

Physical properties

Answer 4

Is any property that is measurable, whose value describes a state of physical property.

Question 5

Physical change

Answer 5

Any change that occurs without altering the chemical composition of a substance.

Question 6

Chemical property’s

Answer 6

A property or characteristic of a substance that is observed during a reaction in which the chemical composition or identity of the substance is changed.

Question 7

Chemical change

Answer 7

Involving the rearrangement of the atoms of one or more substance and a change in their chemical properties or composition, resulting in the info of at least one or new substance

Question 8

Average speed

Answer 8

The total distance traveled divided by the total time elapsed

Question 9

Velocity

Answer 9

The speed of something in a given direction

Question 10

Friction

Answer 10

The rubbing of one body against another ex.sand paper rubbing on the ground

Question 11

Force

Answer 11

Is a push

Question 12

Newton’s first law of motion

Answer 12

Every object that remains at rest stays at rest unless a force acts upon it

Question 13

Newton’s second law of motion

Answer 13

That the acceleration of an dependent upon two variables

Question 14

Newton’s third law of motion

Answer 14

For every action there is an equal and opposite reaction