forces and motion a review in vocabulary. force a force is a push or a pull. a force is a push or...

Forces and Motion

A Review in Vocabulary

Force A force is a push or a pull.

DirectionDirection is the path that a moving object follows.

Speed Speed is how quickly an object moves.

MassMass is a measure a measure of the amount of matter an object contains, measured in grams.

MatterMatter is anything that has mass.

GravityGravity of the earth pulls objects towards the center of the

planet.

Weight The weight of an object weight of an object

depends on the pull of gravity on its mass; It can change when the force of gravity changes .

MotionMotion is the way an object changes

position.

FrictionFriction is a force that acts between two objects

that touch each other or rub together.

Friction ActivityClick on the link below to review how

friction works.Friction game

Brain Pop, Jr. Click on each link to watch the short movie and review your

words.

Pushes and Pulls

Gravity

Review the concepts of force, position, motion, speed, and friction

Review the concepts of gravity, force, mass, weight, and Solar System