When sound bounces off a hard surface resulting in things being repeated.
What is an echo?
100
An object that light can pass through
What is transparent?
100
Distance divided by time.
What is speed?
100
Mercury, Venus, Earth, and Mars
What are the inner planets?
100
The direction the Earth rotates and revolves.
What is counterclockwise?
200
The loudness or softness of sound?
What is volume?
200
A type of object that results in a shadow being formed.
What is opaque?
200
An object in motion will remain in motion unless an opposing force slows it down or stops it. While an object at rest will remain at rest, unless a force causes it to move.
What is Newton's First Law?
200
These planets all have rings.
What are the outer planets? or What are the gas giants?
200
The cause of day and night on Earth?
What is Earth's rotation?
300
The cause of sound.
What is vibrations?
300
When we can see our own image.
What is reflection?
300
An object with more __________ will have more force?
What is mass? or What is speed?
300
Neptune's year last longer because it has a longer ________________.
What is an orbital period? or What is a revolution?
300
When the United States experiences summer, this region experiences winter.
What is the Southern hemisphere?
400
When you give an instrument more or less force you change this about sound.
What is volume?
400
When light travels from one type of object to another resulting in a change in the speed of light.
What is refraction?
400
This is what keeps us on Earth and keeps the planets orbiting the sun.
What is gravity?
400
A group of space rocks that orbit between the inner and outer planets.
What is the asteroid belt?
400
The cause of seasons.
What is Earth's tilt and orbit?
500
When you increase how fast an object is vibrating you are changing how your ear hears this.
What is the pitch?
500
A form of energy resulting from light transferring to other objects.
What is thermal(heat) energy?
500
A car is traveling 100 meters in 10 seconds. Calculate the speed.
What is 10 m/s.
500
A medium sized star made of hydrogen and helium.
What is the Sun ?
500
When the Earth is tilted towards the sun resulting in the Northern hemisphere receiving more sunlight?