Show:
The Planets
Ecosystems
Force
Solar System
Light/ Sound
100

The planet closest to the Sun.

What is Mercury?

100

The process plants use to make thier own food.

What is photosynthesis?

100
Force that causes a change in motion.
What is an unbalanced force?
100

What causes the seaons on Earth.

What is the tilt and revolution of the Earth around the sun?

100
Light bouncing off an object.
What is reflection?
200
The planets in order from the Sun
What is Mercury,Venus,Earth,Mars, Jupiter, Saturn, Uranus, Neptune
200
An organism that makes it's own food.
What is a producer?
200

A bike travels 16 miles in two hours.  What is the speed the bike is traveling.  

What is 8mph?

200
The path one object takes around another object in space.
What is an orbit?
200
Light bending
What is refraction?
300
These are found between mars and Jupiter
What are asteroids?
300

What does a decomposer put back into the soil?

What is nutirents?

300
A force that causes a spring scale to show weight of an object.
What is gravity?
300
One of these takes about 365 days.
What is Earth's revolution around the Sun?
300
Materials that do not let light pass through them.
What is opaque?
400
The four gas giants
What are Jupiter, Saturn, Uranus, and Neptune?
400

 What is a non-natvie species that causes damange to an ecosystem.

What is an invasive speceis?

400

The measure of distance an object moves in a given time.  How fast or slow an object moves.

What is speed?

400

What causes day and night?

What is the rotation of the Earth?

400
For a sound to happen, a medium is needed to do this.
What is vibrate?
500

The four rocky planets

What are Mercury, Venus, Earth, and Mars?

500
A network of overlapping food chains in an ecosystem.
What is a food web?
500
A force that opposes motion and acts between 2 objects that are touching.
What is friction?
500
the Earth does this in a 24 hour period.
What is rotate on it's axis?
500

Why is there no sound in space.

What is there is no medium for sound to travel through?