Physical Science

Question 1

Radiation

Answer 1

Radiation is heat transferring though electromagnetic waves.

Question 2

Convection

Answer 2

Convection is heat transferring though a gas or liquid

Question 3

Physical property

Answer 3

A physical property of an object is a property that does not change the chemical nature of matter.

Question 4

Physical change

Answer 4

Physical change is when an object goes from one state to another but its chemical make up is the same.

Question 5

Chemical property

Answer 5

A chemical property is a properties that are only observable during a chemical reaction.

Question 6

Chemical change

Answer 6

A chemical change is when substances combine to form a new substance.

Question 7

Speed

Answer 7

To calculate speed you do Distance
———-
Time

Question 8

Friction

Answer 8

Friction is a force between two surfaces that are sliding, or trying to slide across each other.

Question 9

Newtons 1st law of motion

Answer 9

A object will stay at rest until a forces acts upon it this is called inertia.

Question 10

Newton’s 2nd law of motion

Answer 10

Is when two forces on an object is are balanced, the object does not move. When forces are unbalanced the object moves.

Question 11

Newtons 3rd law of motion

Answer 11

Is every action there is an equal and opposite action.