These are the tools and units of measurement for mass.
What are balances and grams?
100
When light bends as it moves from one substance to another (for example, from air into water).
What is refraction?
100
This is when a solid becomes part of a solution (for example, when salt is stirred into water).
What is dissolving/dissolution?
100
This is the breaking down of rocks by wind, water (including ice), plant roots, chemicals, and other forces.
What is weathering?
100
The length in hours of one day and one night (one complete rotation of the Earth).
What is 24 hours?
200
Gloves, Goggles and Aprons.
What is safety equipment for the lab?
200
The temperature at which water will freeze (turn from liquid to solid).
What is 0 degrees Celsius?
200
This is what you get when you combine different materials which keep their properties (such as shape, size, color, texture). An example would be a salad.
What is a mixture?
200
This is the name of the process which would build up a landform called a delta.
What is deposition (or constructive forces)?
200
The motion of the Earth which causes us to experience the cycle of day and night.
What is the Earth's rotation (spinning on its axis)?
300
The tools and units that measure weight.
What are spring scales and Newtons?
300
When light is bounced back from a surface, such as a mirror.
What is reflection?
300
This is a special kind of mixture where the ingredients are so well combined that you cannot tell the difference between them any more.
What is a solution?
300
Weathering and erosion break down and move rocks and sediments, so they are this kind of force.
What is destructive?
300
This is the length (in days) of one complete revolution of the Earth around the Sun.
What is 365 (and 1/4, which causes leap year)?
400
The mass of a solution made with 100 grams of water and 50 grams of salt.
What is 150 grams?
400
The temperature at which water will boil, or change from liquid to gas (vapor).
What is 100 degrees Celsius?
400
You could use this instrument to help separate a mixture which had iron filings in it.
What is a magnet?
400
Due to the piling up of rock layers over time, fossils found deeper in the ground would be ____________ than fossils found near the surface.
What is older?
400
This is the motion of the Earth which causes us to experience seasons.
What is the Earth's revolution around the Sun?
500
Anything that has mass and takes up space.
What is matter?
500
Fill-in-the-blank: Light travels in a _________ line.
What is straight?
500
You could use this step of the water cycle to separate a solution of salt and water.
What is evaporation?
500
These can tell us about the past, including the environment in which ancient plants and animals used to live.
What are fossils?
500
Though the Sun is stationary and the Earth is moving, the Sun APPEARS to move across our sky in this direction.