A material that allows energy to pass or go through.
How crowded the molecules are, making an object float or sink.
A material that does not allow energy to pass through or stop.
When a substance dissolves evenly into another substance.
Density
Solubility
Conductor
Insulator
What change does NOT occur when adding powder drink mix to water?
The water changes color
The powder drink mix particles become smaller and dissolve
The water becomes sweeter
The mass of the powder drink mix decreases
Which mixture can the student separate most easily with a magnet?
Iron filings and steel paperclips
Steel cans and aluminum cans
Plastic paperclips and rubber bands
Salt and gravel
A student filled each of four beakers with 100 mL of water at 25° C. The student added an equal amount of a different substance to each of the beakers of water.
Based on the student's observation in the table, how many of the substances did NOT dissolve in the water?
1 substance
2 substances
3 substances
4 substances
A science class tested three properties of different materials. The results are shown in the table below.
Based on the table, which material would be best to use to insulate electrical wires?