Shed some light on the subject
What is how does light travel?
in a straight line until it strikes an object
What is a food chain?
This shows how energy flows from one organism to another. The energy starts at the sun.
What is rotation?
The spinning of the Earth on its axis. It takes 24 hours to do this once.
What is an example of an alternative energy sources?
Biofuel, wind, solar, geothermal,and hydroelectric energy
What is 100 degrees Celsius?
This is the boiling point of water. Remember the units!
What is the bouncing of light off of a surface such as a mirror or other shiny surface?
Reflection
What is a producer
An organism that makes it own food through the process of photosynthesis
What is revolution?
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 oil?
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 0 degrees Celsius?
This is the freezing point of water. Remember the units!
What is the bending of light when it travels from one medium to another?
Refraction
What is a consumer?
An organism that has to eat or consume food to get energy
What is the sun?
This provides the energy for the water cycle to keep going and going.
What is Coal?
This fossil fuel was formed from the remains of ancient swamp plants that were buried by layers of sediment and exposed to lots of heat and pressure over millions of years.
What is use a magnet to collect the iron filings.
How you would separate a mixture of sand and iron filings.
What are objects that refract light?
lenses, glass of water, camera, microscope, telescope
What is an ecosystem?
The living and non-living parts of an organisms environment.
What are the moon and the Earth?
These two celestial bodies have little in common, although they are fairly close to each other. One has an atmosphere and lots of water and living things, the other has no atmosphere, not water, and not even aliens live there. It also has many craters on the surface.
What is water, wind and ice?
These three things contribute to the formation of landforms such as deltas, canyons, and sand dunes.
What is a solution?
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 prism?
a clear triangular object that bends light and breaks it into its colors.
What is the carbon-dioxide oxygen cycle?
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 Sun?
This is the center of our solar system.
What is climate?
This is the average weather of an area over a long period of time.
What is a conductor?
This will allow heat or electricity to pass through it easily.