Science finals

It is an old belief model that the earth is plane or discoidal in form.

(a)  

The amount of matter in an object or a measure of an object.

(a)  

The ability or capability to do work.

(a)  

He believed that there are two forms of motion: natural and violent.

• Arisotle

• Empedocles

• Democritus

• John Dalton

He was the first person to attempt to calculate the distance of the earth to the sun during the 3rd century.

• Aristarchus of Samos

• Ptolemy

• Eudoxus

• Leonardo da Vinci

He argued that all things are made up of four elements: fire, air, water, and earth.

He also stated that the combination and ratio of the four elements dictate the properties of matter.

• Aristotle

• Empedocles

• Democritus

• John Dalton

What is Newton's 1st law of motion?

• All objects remain at rest or in uniform motion along a straight line unless acted by an external force.

• The greater the force, the greater the acceleration.

• Every action has an equal and opposite reaction.

the result of unbalanced forces.

(a)  

Key observations regarding an object’s motion :

1) development of the concept of velocity using inclined planes

2) development of the idea of force that causes the motion of an object

3) being at rest is the natural state of an object

4) inertia is the resistance of an object to changes in its motion

• Galileo's Law of Motion

• Newton's Law of motion

• Aristotle

• Empedocles

Resistance to change

(a)