The World According to Physics Final Review

Motion and Laws of Motion

100

What is the science that explores how energy acts on matter?

What is Physics?

200

Distance / Velocity

What is the formula for speed?

300

Change in speed/ change in time

What is the formula for acceleration? 

400

Experiments done by this person were the basis for Newton's first law of motion.

Who was Galileo?

500

Property of matter that resists changing it's velocity.

What is inertia?

Gravity and Simple Machines

100

During Keplers time, most people believed the laws governing motions in the _______, differed from those for motions on earth. 

What are "the heavens?"

200

A planet travels ____, when closer to the sun. 

What is faster? 

300

If the moon were twice as far away, gravitational attraction between Earth and moon would be _______ as great. 

What is one-forth? 

400

Device that changes the amount of force needed or the direction force needs to be applied to do a certain job. 

What is a simple machine? 

500

A machine without this would have 100% efficiency. 

What is friction? 

Energy and Heat

100

Heat is a type of this.

What is energy? 

200

Mercury and colored alcohol

Two substances that are used in thermometers.

300

Heat always flows from a region of high temperature to a region of low temperature. 

What is the 2nd Law of Thermodynamics? 

400

Measure of disorder

What is entropy? 

500

The heat required to raise the temperature of the unit mass of a given substance by a given amount (usually one degree).

What is specific heat? 

States of Matter, Wave Motion, Light

100

Liquid, solid, and gas

What are the three states of matter?

200

Distance from the axis to the crest of a wave

What is amplitude? 

300

Separates light into its component colors

What is a prism? 

400

The rate at which a repeating event occurs

What is frequency? 

500

186,000 mi/sec

What is the speed of light? 

Electricity/ Magnetism/ Electromagnetism

100

If two objects have different charges, they attract (or pull towards) each other. If two objects have the same charge, they repel (or push away) from each other.

What is the law of static electricity? 

200

This is the relationship between magnetism and electricity.

What is magnetic induction? 

300

The branch of physics that studies the interactions between electrically charged particles and their associated field.

What is electromagnetism?

400

Another word for magnetite, means "leading stone"

What is lodestone? 

500

Atoms of the same element but with a different number of neutrons.

What are isotopes?