Vocabulary
Different materials placed together but keeping their own properties
1. mixture
2. rust
3. chemical change
1. Mixture
Lemonade is an example of which of the following?
1. a solution
2. a solid
3. a solute
1. a solution
If you had a box that contained a mixture of rice and marbles, how might you use the physical properties of the marbles to separate them from the rice? Explain your answer.
1. use a magnet
2. I know that the marbles are bigger than the rice, I could pick the marbles out of the grains of
rice.
3. I could use a strainer with large holes so that the rice passes through.
2. I know that the marbles are bigger than the rice, I could pick the marbles out of the grains of
rice.
3. I could use a strainer with large holes so that the rice passes through.
Ice melting
1. Physical Change
2. Chemical Change
1. Physical Change
A new substance that results when iron is left outside
1. mixture
2. rust
3. solution
2. rust
A food scientist is experimenting with sugar crystals that will instantly dissolve in water. She adds the sugar crystals to water. In her experiment, what is the scientist attempting to do?
1. Change the properties of ingredients in a solution.
2. Make a solute.
3. Preserve the properties of the ingredients in a solution.
2. Make a solute.
Name at least one way in which you can change the chemical properties of a piece of bread, and one way in which you can change the physical properties of a piece of bread?
1. chemical = color it; physical = smash it
2. chemical = toast it; physical = cut it
3.chemical = cut it; physical = toast it
2. chemical = toast it; physical = cut it
Crushed Coke can
1. Physical Change
2. Chemical Change
1. Physical Change
A mixture in which substance are spread out evenly an will not settle
1. solution
2. rust
3. chemical change
1. solution
Choose one way that you can separate a mixture of metal paper clips and small pebbles.
1. Use a magnet to draw the paper clips out of the mixture
2. Pour the mixture through a strainer so only the smaller objects go through
3. Pour the mixture into water; the pebbles will sink and the paper clips will float.
1. Use a magnet to draw the paper clips out of the mixture
Egg to a cooked egg
1. Physical Change
2. Chemical Change
2. Chemical Change
A change in some properties of matter without forming a different kind of matter
1. chemical change
2. solubility
3. physical change
3. physical change
How might you go about proving that a mixture of peanuts, walnuts, and pecans still maintains the properties
of the original ingredients you mixed together?
1. by adding in a new ingredient to the mixture and confirming its properties were the same
2. by tasting several samples of the mixture and confirming their properties were the same
3. by separating them from the mixture and confirming their properties were the same
3. by separating them from the mixture and confirming their properties were the same
The degree to which a material will dissolve in another substance
1. rust
2. solubility
3. physical change
2. solubility
When peas, carrots, and corn are combined, they form
1. a mixture.
2. a solvent.
3. a solution.
1. a mixture.