Sound and Light
a disturbance involving the transfer of energy from place to place in a repeated back and forth motion
What is a wave?
the shape of the land, it includes the area's relief, elevation, and landforms
What is topography?
the driver of sea floor spreading, it is the heating and cooling of fluid rock in the mantle
A place or object used for comparison to determine if something is in motion.
What is a reference point?
when something passes between the sun and onther object (could be the moon passing between the sun and the earth or the earth passing between the sun and the moon)
What is an eclipse?
the number of waves that pass a given point in a certain amount of time. (how fast or slow a wave is moving)
What is frequency?
A landform that has high elevation and a level flat surface at the top.
What is a plateau?
the name of the supercontinent when all the continets were once a single landmass 300 million years ago
What is Pangea?
Speed in a given direction. (Example: 25 m/s eastward)
What is velocity?
A large hole on the surface of the moon.
What is a crater?
the small, tightly stretched, drumlike membrane in your ear
What is the eardrum?
This is a landform made of nearly flat or gentle rolling land with low relief. (where we live)
What is a plain?
a mountain that forms in earths crust when molten material, or magma, reaches the surface
What is a volcano?
The rate that velocity changes. (Example: speeding up, slowing down, or changing direction)
What is acceleration?
This food is actually a fruit and not a vegetable.
the opening through which light enters your eye.
What is the pupil?
The preserved remains or traces of once living things. Formed when living things die and are buried by sediment.
What are fossils?
the shaking and trembling of earths crust that results from movement of rock beneath earth's surface
What is an earthquake?
When you put a force on something and that thing moves in the same direction. The formula is
Force X Distance
What is work?
What is the housefly?
a curved piece of glass or other transparent material that refracts light.
What is a lens?
what are paleontologists?
The name given to the region around the pacific ocean where many earthquakes and volcanos occur.
What is the ring of fire?
the rate at which work is done. the formula is
force X distance / time
What is power?
The hollow woody tissue in plants that carries water and minerals from the roots to throughout the entire plant.
What is xylem?