The Planets
Ecosystems
Force
Solar System
Light/ Sound
100
The closest medium-sized star to Earth.

What is the Sun?

100

The type of organism that makes its own food using energy from the sun. 

What is a producer?

100
A push or a pull that changes the motion of an object.
What is a force?
100
The path one object takes around another object in space.
What is an orbit?
100

The property of light which causes objects to look larger through a magnifying glass. 

What is refraction?

200

Neptune, the moon, asteroids, and the Sun but NOT the big dipper, the North Star, or a black hole.

What is inside our solar system?

200

A network of overlapping food chains in an ecosystem

What is a food web?

200

A type of force that causes a change in motion.

What is an unbalanced force?

200
The star closest to our planet.
What is the Sun?
200

This property of light allows light to bounce off smooth, flat, surfaces. 

What is reflection?

300

The part of the Solar System located between Mars and Jupiter.

What is the Asteroid Belt?

300

This "win-win" relationship benefits both organisms.  

What is a mutualism?

300

This force causes a spring scale to show the mass of an object.

What is gravity?

300
One of these takes about 365 days.
What is Earth's revolution around the Sun?
300

A material that doesn't allow light to pass through.

What is opaque?

400

The names of the four gas giants.

What are Jupiter, Saturn, Uranus, and Neptune?

400
A green food-producing molecule that helps plants make their own food.
What is chlorophyll?
400

The distance an object moves in a given amount of time. 

What is speed?

400
This takes about 27 days.
What is the moon's revolution around the Earth?
400

How sound energy travels. 

What is vibration?

500

The names of 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
This is needed to increase the speed of an object in motion. 

What is a greater force?

500
the Earth does this in a 24 hour period.
What is rotate on it's axis?
500

A form of energy that can travel in a straight line in empty space.

What is light?

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