States of matter and phase changes.
Weight and density.
Speed and motion.
Acceleration and momentum.
Newton's three laws.
100

Water in its solid form.

What is ice?

100

Mass per unit volume of an object.

What is density?

100

Speed in a given direction.

What is velocity?

100

How quickly an object gains speed.

What is momentum?

100

The reason a chair slows down after you push it across the floor is due to this type of force. 

What is friction?

200

The state of matter that has definite volume but takes the shape of its container. 

What is liquid?

200

A measurement of the force of gravity on you.

What is weight?

200

background or object used for comparison.

What is a frame of reference?

200

This is a device with five steel balls suspended from strings. When one ball is moved, the balls hit each other demonstrating the conservation of momentum.

What is Newtons cradle?

200

This term means the natural tendency of an object to remain at rest or in motion. 

What is inertia?

300

Anything you can see and touch. Anything with mass and volume.

What is matter?

300

The measurement of the amount of matter in an object.

What is mass?

300

Speed that does not change.

What is constant speed?

300

momentum doesn't disappear, it is transferred to other objects.

What is conservation of momentum?

300

This term means a push or a pull.

What is force?

400

The phase change from solid to gas. 

What is sublimation?

400

This is the formula for density.

What is mass/ volume?

400

distance/ time.

What is the formula for speed?

400

A small car and a large truck are moving at 50 km/h. This is the vehicle with more momentum. 

What is a large truck?

400

True or false: If an object is pushed with more force, it will move faster, or have greater acceleration. 

What is true?

500

This is the product that results when liquid is exposed to heat energy and undergoes a phase change.

What is gas? 

500

This is the weight of one cubic cm of water.

What is one gram?

500

This is the speed of a car traveling 400 meters in 20 seconds.

What is 20 meters per second?

500

This is the formula for momentum. 

P= mv

500

This is the equation that represents Newtons second law of Motion. 

What is F=ma?

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