Electromagnetic Spectrum
Matter
Models of Light
Ecosystems
Earth Science
100

the distance from the peak of one wave to the next is called

wavelength

100
What is volume?
the amount of space, measured in cubic units, that an object or substance occupies.
100

The 3 ways light can be described are...

wave, ray and particle

100
What is a decomposer?
organism that breaks down other organisms into simpler substances
100

When two tectonic plates slide past each other, we call this a _____ boundary

transform

200

the number of waves that pass by a point in one second is called

frequency

200

What is matter?

Matter is anything that has mass and takes up space (or has volume).

200
photons are

energy packets or quanta

200

what process turns energy from the sun into sugars?

photosynthesis by plants

200

what is the name of the outermost crust that earth has

the mantle

300

Which has the shortest frequency, radio waves or gamma waves?

Gamma waves

300

what is mass

the amount of matter in an object

300

the PHET simulator showed that rainbows are made when light...

bends

300
Given the following food chain: grass, grasshopper, robin, and hawk. What would happen if the robins all suddenly died from a disease?
Hawk population would decrease and the grasshopper population would increase causing the grass to decrease. Eventually, the grasshoppers would die off after eating all of the grass.
300

What type of tectonic plate is denser/heavier?

oceanic

400

which colour has the longest wavelength and the least energy?

red

400

what is the formula for density? 

mass divided by volume equals density

400

the slit experiment with light showed that light travels in...

waves

400

What three things are needed in photosynthesis?

carbon dioxide, water and sunlight

400
Where do volcanoes usually occur?
at plate boundaries
500

what speed do radio waves move through space at?

The speed of light, or 3X10 to the power of 8 or 300,000 kilometers per second approx

500

What is the Law of the Conservation of Matter?

Matter is neither created nor destroyed

500

What is the Law of the Conservation of Energy?

Energy is neither created nor destroyed.

500

what is a trophic level - name one

producers, primary consumers, secondary consumers, tertiary consumers, decomposers

500

What kind of plate boundary results in the formation of a trench?

converging plate boundary

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