A
Tearing a piece of paper or dissolving sugar in water is an example of this kind of change.
What is a Physical Change?
The ability to do work or cause change.
What is Energy?
A snake eating a rabbit, would be this part of the food web. (Hint - primary, secondary, etc)
What is a Secondary Consumer?
Without air resistance, falling objects like a feather and bowling ball hit the ground at this time.
What is the Same Time?
The total percentage of freshwater easily accessible to humans.
What is ~ (about) 1%?
The amount of matter in something. ("Blank is weight!")
What is Mass?
Lighting a match or a nail rusting is an example of this kind of change.
What is a Chemical Change?
Producers in the food web. (Hint - they make their own food from the sun, air, and water.)
What are Plants?
The sphere of air around Earth.
What is the Atmosphere?
The time it takes for light to travel from the Sun to the Earth.
What is ~ (about) 8 Minutes?
What is Density?
The night sky, and the visible constellations, change throughout the year because of this Earth/Sun Relationship.
What is Earth's Revolution/Orbit around the sun?
The part of the plant responsible for photosynthesis.
What are Leaves?
The Hydrosphere is 97% this kind of water.
What is Saltwater?
What is 186,000 miles per second?
Stays the same when matter is changed into a different state.
What is Mass?
A curve in spacetime caused by large amounts of mass.
What is Gravity?
What is Light?
The moon goes through different phases or amounts of light visible to us every month because it does this around the Earth.
What is Orbit?
These eat all the dead matter to recycle it into the Food Web.
What are Decomposers?
Mass per unit of volume.
What is Density?
When a chemical change occurs, mass is retained (stays the same), because of what Law?
What is the Law of Conservation of Mass?
The four states of matter and a brief explanation of them.
What are solid, liquid, gas, and plasma?
Light from the sun appears brighter to us on Earth than the stars because of this property.
What is Closer?
1000 g of water plus 500 g of salt mixed together make this total amount, which confirms the Law of Conservation of Mass.
What is 1500 g of Mass?