also contributed to the knowledge of the Greek philosophers by postulating that the earth was spherical

Proposed that the stars formed the outermost crystal sphere, followed by the planets, the sun, the moon, and the spherical earth at the center.

Which law of Kepler's states that a planet farther away from the sun, travels the same amount of time as when it is closer to the sun

Knowing how long a planet takes to orbit the sun, helps scientists determine the distance that planet is from the sun.  Is this Kepler's 1st, 2nd or 3rd Law?  

Planets revolve around the sun in an elliptical orbit relates to which of Kepler's laws?

refers to the tendency of any material to change its state of motion

When the speed of an object is doubled, its momentum

A big fish swims upon and swallows a small fish at rest, After lunch. the big fish has less

How is displacement different from distance?

What will be the acceleration of a car if it has a constant acceleration?

When an object in uniformly accelerated motion has an acceleration in the opposite direction than the velocity, then the velocity of the object will start to ________ until it stays in rest,

Light is produced by one of two methods…

shines on an object, then bounces off, or reflects, back to our eyes.

When a ray of light approaches a smooth polished surface and the light ray bounces back, it is called the