Radiation
Motion
Machines/Waves
Sound and Light
Electricity

100

A potentially harmful gas produced by the decay of Uranium-238 found in soil. 

What is Radon

100

Average speed is represented by what equation?

What is S=d/t

100

A compound machine is 

what are 2 or more simple machines working together in one


100

The structure that sends signals to the brain is called 

What is the cochlea

100

The buildup of excess electric charge is called

What is static electricity

200

This particle has a positive charge, is large and moves slowly.

What is a alpha ray.

200

How can friction on a water slide be reduced?

What is run a constant stream of water down the slide

200

Useful work output to work input

What is efficiency


200

What causes the sound of a guitar to get louder as it is played

what is resonance

200

Give an example of an insulator

Rubber

Wood

Plastic

300

The equation E=MC2 is also known as

What is the Theory of Relativity

300

Speeding up, slowing down, and changing direction is best described as 

What is acceleration

300

The physical environment in which a wave travels

What is the medium

300

In addition to reflecting some light, every object

what is absorbs light

300

Electric charges that are opposite 

What is attract one another

400

Who is credited with discovering the gamma ray

Who is Madam Curie

400

An object is in motion when

What is The object changes position relative to a stationary object

400

A periodic disturbance in a solid, liquid, or gas as energy is transferred through a medium

What is a wave

400

When light separates into different colors

what is dispersion

400

The region around a magnet where the magnetic force is exerted is known as its 

what is the Magnetic Field

500

The change in the number of electrons in an atom is 

What is Ionization

500

The SI Unit of Force

What is Newtons

500

An observed change in the frequency of a wave when the source or observer is moving

What is the doppler effect

500

What device uses sound waves to view organs in the body

What is an ultrasound

500

A _______ must be replaced after too much current causes it to melt

What is a fuse