The term for when bounces off of mirrors or shiny surfaces
What is reflection.
100
A push or a pull that causes an object to move, stop or change direction.
What is force
100
A landform made when wind-blown sand accumulates in piles.
What is a dune (or sand dune)
100
A type of rock formed over millions of years from the deposition of sediment in layers.
What is sedimentary rock
100
This energy uses energy in moving water to make electricity such as in dams.
What is Hydropower
200
The term for when light bends when passing through another medium, for example a glass of water.
What is refraction.
200
The name of the scientist who came up with the three laws of motion.
What is Sir Isaac Newton
200
A landform made when moving water cuts through the Earth’s surface
What is a canyon
200
How long do fossil fuels take to form?
What is millions of years.
200
Energy coming from the Sun’s rays
What is solar power
300
A reflection is similar to the original image, but is ______________.
What is flipped.
300
Finish the statement
An object in motion will stay in motion until ________________________________________________.
What is acted upon by a force.
300
What force causes rocks to break into smaller pieces?
What is weathering.
300
What fossil fuel is formed from marine life that was compacted and heated over time?
What is oil
300
Energy that comes from burning organic material.
What is biofuel or biomass energy
400
Refracted images change size, shape and can appear separated from their original. This is called _________________.
What is distortion.
400
How many variables can be changed in an experiment at one time?
What is one
400
A landform made when water-born sediments are deposited at the mouths of rivers
What is a delta
400
Name the two forces that form fossil fuels
What are pressure and heat
400
Heat stored in the Earth
What is geothermal energy
500
Name the two types of lens shapes.
What are concave and convex.
Concave lenses make things look larger (like magnifying glasses)
Convex lenses make things look smaller and more focused (like most eye glasses)
500
The two forms of energy involved in motion (standing still and moving)
What are potential and kinetic energy.
500
What are the three natural forces that cause changes to Earth's surface?
What are wind, water and ice
500
Where does coal begin to form?
Where is in ancient swamps
500
Give the two main reasons we use alternative energy sources.
What are non-renewable resources are finite and cause pollution, alternative sources are renewable and cause less pollution.