<img src="https://d5nxst8fruw4z.cloudfront.net/atrk.gif?account=iA1Pi1a8Dy00ym" style="display:none" height="1" width="1" alt="" />

# Gravity

## A force of attraction between things that have mass and how it relates to weight.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Gravity and Microgravity

by Science Writing Team //basic
Definition of gravity and how it relates to weight.
MEMORY METER
This indicates how strong in your memory this concept is
0

## 중력

by Whakuk Lee //basic
Definition of gravity and how it relates to weight.
MEMORY METER
This indicates how strong in your memory this concept is
1

## Gravity and Microgravity

by Jeffrey Deal //basic
Definition of gravity and how it relates to weight.
MEMORY METER
This indicates how strong in your memory this concept is
1

## Why do all of the planets stay in orbit around the sun?

by Steve Fode //basic
Definition of gravity and how it relates to weight.
MEMORY METER
This indicates how strong in your memory this concept is
0

## Gravity

by Christopher von Nagy //basic
Definition of gravity and how it relates to weight.
MEMORY METER
This indicates how strong in your memory this concept is
0

## Gravity Section 3.9

by Jannine Tuttle //basic
Definition of gravity and how it relates to weight.
MEMORY METER
This indicates how strong in your memory this concept is
0

## Gravity

by Michelle Gallivan //basic
Definition of gravity and how it relates to weight.
MEMORY METER
This indicates how strong in your memory this concept is
0
• Real World Application

## That's heavy

by Hemang Mehta //basic
Whoa! This is Heavy!
MEMORY METER
This indicates how strong in your memory this concept is
0
• Flashcards

## Gravity

by Ellaine Chou //basic
These flashcards are here to help you better understand middle school physical science.
MEMORY METER
This indicates how strong in your memory this concept is
0
• Flashcards

## Gravity

by ziara cunningham //basic
These flashcards are here to help you better understand middle school physical science.
MEMORY METER
This indicates how strong in your memory this concept is
0