Light
Organisms
Earth
Energy
Physical Properties
100
In a straight line until it strikes an object
How does light travel?
100
An organism that makes its own food through the process of photosynthesis.
What is a producer?
100
The center of our solar system.
What is the sun?
100
The average weather of an area over a long period of time.
What is climate?
100
The freezing point of water. Remember units.
What is 0 degrees Celsius?
200
Reflection.
What is bouncing of light off a surface?
200
An organism  that has to eat or consumes food to get energy.
What is a consumer?
200
One trip around the Sun.  The Earth takes 365 days to do this.  
What is revolution?


200
Biofuels, wind, solar, geothermal, and hydroelectric energy.
What are examples of alternative energy?
200
The boiling point of water.  Remember units.
What is 100 degrees Celsius?
300
Refraction 
What is bending of light when it travels from one medium to another?
300
This shows how energy flows from one organism to another.  The energy starts with the sun.
What is a food chain?
300
This provides the energy for the water cycle to keep going and going.  
What is the Sun?
300
A thick black liquid (fossil fuel) formed from the remains of ancient sea organisms that were buried under layers of sediments over millions of years.
What is oil?
300
This will allow heat or electricity to pass through it easily.
What is a conductor?
400
Lenses, glass of water, camera, microscope, telescope, and eyeglasses. 
What are objects that refract light?
400
The living (biotic) and non-living (abiotic) parts of an organisms environment.


What is an ecosystem?
400
The spinning of the Earth on its axis.  It takes 24 hours to do this once. 
What is rotation?
400
These three things contributed to the formation of land forms such as deltas, canyons, and sand dunes. 
What is wind, water, and ice.
400
When something usually a solid is added to a liquid and it "disappears".  Some examples include saltwater, kool-aid and soda, not to mention lemon aide.
What is a solution?
500
A clear triangular object that bends light and breaks it into colors of the rainbow. 
What is a prism?
500
The cycle involving both plants and animals where there is an exchange of gases that are necessary for both organisms to survive.
What is the carbon dioxide-oxygen cycle.  
500
These two celestial bodies have little in common although there are fairly close to each other.  One has an atmosphere, water, and living things, the other has no atmosphere, no water or living things.  
What is Earth and Moon?
500
Fossil fuel was formed from the remains of ancient swamps plants that were buried by layers of sediments and exposed to lots of heat and pressure over millions of years.
What is coal?
500
When two substances are mixed together like fruit salad, salad, or trail mix. 
What is a mixture?
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