This travels in a straight line until it strikes an object
What is light?
100
This shows how energy flows from one organism to another. The energy starts at the sun.
What is a food chain?
100
The spinning of the Earth on its axis. It takes 24 hours to do this once.
What is rotation?
100
Biofuel, wind, solar, geothermal,and hydroelectric energy
What is an example of an alternative energy sources? (or renewable resources).
100
This is the boiling point of water. Remember the units!
What is 100 degrees Celsius or 212 F?
200
reflection
What is the bouncing of light off of a surface such as a mirror or other shiny surface?
200
An organism that makes it own food through the process of photosynthesis
What is a producer
200
This is one trip around the sun. The closer the planet the faster the trip. The Earth takes 365 days to do this.
What is revolution?
200
A thick, black liquid (fossil fuel) formed from the remains of ancient sea organisms that were buried under layers of sediment over millions of years.
What is oil?
200
This is the freezing point of water. Remember the units!
What is 0 degrees Celsius or 32 F?
300
The top of a roller coaster has a high amount of this
What is potential energy?
300
An organism that has to eat or consume food to get energy
What is a consumer?
300
This provides the energy for the water cycle to keep going and going.
What is the sun?
300
This solid fossil fuel forms thick, black smoke when burned to heat homes or to produce electricity and should not be used if possible.
What is Coal?
300
How you would separate a mixture of sand and iron filings.
What is use a magnet to collect the iron filings.
400
a camera lens does this
What is refract light?
400
There are _____ top predators in a food web compared to the number of primary consumers.
What is less ?
400
when Earth's northern hemisphere is tilted towards the sun, the southern hemisphere is experiencing this
What is winter?
400
These three things contribute to the formation of landforms such as deltas, canyons, and sand dunes.
What is water, wind and ice?
400
When something, usually a solid is added to a liquid and it "disappears". Some examples include salt water, kool-aid and soda, not to mention lemon aide.
What is a solution?
500
A rocket travels 125 meters in 5 second to give this speed...remember your units.
What 25m/sec.?
500
The secondary consumer will have to do one of these three things if the number of primary consumers in an ecosystem declines. (name two of the three)
What is adapt eating habits, leave the area, or die out?
500
makes our seasons
What is the tilting of Earth on its axis either towards or away from the sun?
500
Styrofoam cups are inexpensive to make and serve as great insulators of both hot and cold beverages, but they are not recommended for use because of this reason (name one)
What is they are not biodegradable? (they do not rot in landfills). or What is they are made of chemicals that are harmful to the environment?
500
Air is a(n) ________ while copper is a(n) ______?
What are an insulator and a conductor? (This order)