Physical Properties
Particles
Mixtures
Law of Conservation
100
Good conductors of electricity and heat, and not soluble in water.
What are metals?
100
The state of matter where particles are tightly packed and vibrate in a fixed position.
What is a solid?
100
A combination of sand and iron filings.
What is a mixture?
100
The amount of mass gained when 10 grams of salt are dissolved in 100 grams of water.
What is 110 grams of saltwater?
200
A beaker or a graduated cylinder is used to measure this physical property.
What is volume?
200
The change of state that happens when a liquid (like water) turns to a gas (like steam) when heated.
What is evaporation?
200
A special type of mixture where one substance dissolves completely into another, like sugar in water.
What is a solution?
200
How will the physical properties of the salt change when it dissolves in the water?
A. It will change to a gas.
B. It will have a greater mass than before.
C. It will no longer appear as separate grains.
What is C. It will no longer appear as separate grains?
300
A company collects cans to recycle. Some cans are made of aluminum, and others are made of steel.
This physical property could be used to separate and compare the different types of cans.
What is magnetism?
300
Which of these examples BEST illustrates water particles that are far apart?
A. ice cubes in a freezer
B. a glass of water sitting on a table
C. steam in a bathroom after a hot shower
What is steam in a bathroom after a hot shower?
300
The physical property of salt that spreads evenly when it dissolves in water.
What is solubility/being solid?
300
The Law that explains why the mass of a final solution is equal to the mass of its original parts.
What is the Law of Conservation/Mass?
400
These materials are considered magnetic.
What is iron filings and a steel paper clip?
400
The process where water vapor (a gas) turns into liquid water when it cools down.
What is condensation?
400
The BEST way to separate a mixture of iron filings and sand.
What is using a magnet?
500
These materials are considered good insulators of heat.
What is concrete and air?
500
The reason a balloon expands when air is pumped into it.
What is the rapid movement/pushing of air particles?
500
The mass of ingredients before and after cooking.
What is 2,000 grams?