Vocabulary
Concepts 1 and Vocabulary
Concepts 2
Concepts 3
100
A measure of how much mass is in a volume of matter.
What is density?
100
Which is not an example of matter? a. air b. heat c. soil d. water
What is b. heat?
100
A copper penny has a mass of about 4 grams. A copper kettle has a mass of about 400 grams. What is true about the density of these two objects. a. the kettle is 100 times as dense as the penny b. the penny is denser because its mass is in a smaller volume c. their densities are different because they are different shapes d. their densities are the same because they are mad of the same substance
What is d. their densities are the same because they are mad of the same substance?
100
Which of the following changes is caused by removing heat? a. a solid changes to a gas b. a liquid changes to a gas c. a solid changes to a liquid d. a liquid changes to a solid
What is d. a liquid changes to a solid.
200
A change in which the form of a substance changes but the substance still has the same chemical makeup.
What is physical change?
200
A pan of water boils until all of it evaporates into air. What property of the water is the same after this change? a. Mass b. state c. temperature d. volume
What is a. Mass?
200
Cara is investigating a substance. When she first picks it up, it keeps its shape. But after it warms up in her hand, it flows between her fingers and drips onto the table. After she puts an ice cube on the drips, she can pick them up again. Which choice best describes these changes? a. a solution separates, than recombines. b. a mixture goes through a chemical change c. a solid melts into a liquid and freezes back into a solid d. a liquid freezes into a solid and melts back into a liquid.
What is c. a solid melts into a liquid and freezes back into a solid?
300
Is a mixture of two or more different substances.
What is a mixture?
300
Which item is an example of a solution? a. vegetable soup b. raisin bread c. drink mix and water d. tossed salad
What is c. drink mix and water?
300
Which of the following best describes one way that solids are different than liquids? a. solids have weight and liquids do not. b. solids take up space and liquids do not. c. solids have a definite shape and liquids do not. d. solids have a definite volume and liquids do not.
What is c. solids have a definite shape and liquids do not?
400
A measure of how easily a substance will burn.
What is combustibility?
400
The ability of a substance to come through a chemical change.
What is reactivity?
400
An ice pop was placed in a bowl and left to melt. Which of the following properties of the ice pop changed the most once it melted? a. color b. mass c. shape d. volume
What is c. shape?
500
A mixture in which all of the parts are mixed evenly.
What is a solution?
500
Which process would change the mass of an iron bolt? a. bending b. freezing c. recycling d. rusting
What is d. rusting?
500
Delilah put a container of water in the freezer and left it overnight. The next morning she saw that the water in the container had changed to ice. Which of the following statements best explains why the water changed to ice? a. the water gained energy b. the water absorbed light c. mass was released from the water d. heat was taken away from the water.
What is d. heat was taken away from the water?
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