Unit 8B

Front

Kepler's 2nd Law of Planetary Motions

Back

States that planets move faster when they are closest to the sun.

Front

Three Laws of Motion

Back

Formulated by Sir Isaac Newton, these laws describe the relationship between a body and the forces acting on it.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Front

Earth-centered universe model

Back

Developed by Claudius Ptolemy, this model was the dominant astronomical paradigm for 1,500 years.

Front

6th phase of the Moon cycle

Back

Waning Gibbous.

Tags

NGSS.MS-ESS1-1

Front

Newton's 1st Law of Motion

Back

States that objects will continue in their current state until acted upon by another force.

Front

What is Kepler's 1st Law?

Back

Describes the orbits of planets as ellipses with the sun at one focus.

Tags

NGSS.MS-ESS1-2

Front

What is the significance of Newton's 2nd Law?

Back

It establishes the relationship between force, mass, and acceleration (F=ma).

Front

What does the term 'aphelion' mean?

Back

The point in the orbit of a planet where it is farthest from the sun.

Tags

NGSS.MS-PS2-4

Front

What is the definition of 'perihelion'?

Back

The point in the orbit of a planet where it is closest to the sun.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Front

Who proposed the heliocentric model of the solar system?

Back

Nicolaus Copernicus.