Vocabulary
Different materials placed together but keeping their own properties
1 - Mixture
2 - Chemical Change
3 - Rust
1 - Mixture
A change in which one or more types of matter change into other types of matter with different properties
1 - Physical Change
2 - Rust
3 - Chemical Change
3 - Chemical Change
Lemonade is an example of which of the following?
1- crystals
2- a solution
3- a solid
2- a solution
A new substance that results when iron is left outside
1 - Rust
2 - Physical Change
3 - Chemical Change
1 - Rust
A change in some properties of matter without forming a different kind of matter
1 - Physical Change
2 - Solution
3 - rust
1 - Physical Change
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.
1 - Change the properties of ingredients in a solution.
A mixture in which substance are spread out evenly an will not settle
1 - solubility
2 - solution
3 - mixture
2 - solution
The degree to which a material will dissolve in another substance
1 - mixture
2 - solution
3 - solubility
3 - solubility
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
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
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.
I know the marbles are bigger than rice so I could pick the marbles out of the grains of rice.
When peas, carrots, and corn are combined, they form
1 - a mixture.
2 - a solvent.
3 - a solution.
4 - a new substance.
1 - a mixture.
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?
Chemical = toast it
Physical = cut it