Shed some light on the subject
How does light travel?
In a straight line until it strikes an object
What is a food chain and where does the energy flow start?
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 alternative energy sources? (Renewable)
Biofuel, wind, solar, geothermal,and hydroelectric energy
This is the boiling point of water. Remember the units!
100 degrees Celsius
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 a revolution and about how long does it take?
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 petroleum? (Crude 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.
This is the freezing point of water?
0 degrees celecius
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 does the sun do? (List 2 Things)
This provides energy, light for the earth. It also keeps the planets in orbit with its gravitational pull.
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.
How you would separate a mixture of sand and iron filings?
Use a magnet to collect the 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 organism's 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.
How do water, wind, and ice contribute to land formation?
These three things contribute to the formation of landforms such as deltas, canyons, and sand dunes through weathering and erosion.
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.
List the planets in order.
Mercury, Venus, Earth, Mars, Jupiter, Sturn, Uranus, Neptune and Pluto.
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.