Matter & Density
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- 1.If the deminsons of rectangular prisim are 8cm, 4cm and 2 cm and its mass is 768 g, what is the objects density?
- A.
24 g/cm3
- B.
18 g/cm3
- C.
16 g/cm3
- D.
12 g/cm3
- 2.Buring wood is an example of what?
- A.
Chemical Change
- B.
Physical Change
- 3.
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Melting cheese is example of what?- A.
Chemical Change
- B.
Physical Change
- 4.Water freezes at what temperature?
- A.
32 degrees C
- B.
100 degrees F
- C.
32 degrees F
- D.
212 degrees C
- 5.When you see water on the outside of a cold glass of water, it is _____________________?
- A.
Evaporation
- B.
Condensation
- C.
Sublimation
- D.
Boiling
- 6.If the density of a object is 108 g/cm3 and its mass is 9g. What is the objects volume?
- A.
972 cm3
- B.
11 cm3
- C.
9 cm3
- D.
12 cm3
- 7.Which of the following is not a chemical change?
- A.
Rust on a bike
- B.
Toasting bread
- C.
Tearing paper
- D.
Baking a cake
- 8.If a object has a mass of 105 g and a volume of 7 mL, what is the objects density?
- A.
735 g/mL3
- B.
105 g/mL3
- C.
13 g/mL3
- D.
15 g/mL3
- 9.Which of the following is not a physcial change?
- A.
Cutting hair
- B.
Crushing a can
- C.
Penny turning green
- D.
Water freezing
- 10.Liquid to a complete gas is:
- A.
Boiling
- B.
Evaporation
- C.
Melting
- D.
Freezing
- 11.If a object has a density of 12 g/cm3 and volume of 15 cm3, what is the object's mass?
- A.
15 g
- B.
170 g
- C.
180 g
- D.
12 g
- 12.100 degrees C is the temperature at water _______________:
- A.
Freezes
- B.
Boils
- C.
Melts
- D.
Condenses
- 13.When an object changes forms but not whats it made if, it is called a chemical change.
- A.
True
- B.
False
- 14.If a cube has sides of 2 cm and the mass of the cube is 128g, what is objects density?
- A.
16 g/cm3
- B.
12 g/cm3
- C.
14 g/cm3
- D.
8 g/cm3
- 15.Buring charcole at a cook out is an exmaple of physcial change.
- A.
True
- B.
False
- 16.If the mass of the object is 7g and the volume is 8 mL, what is the object's density?
- A.
0.775 g/mL3
- B.
0.875 g/mL3
- C.
0.675 g/mL3
- D.
0.865 g/mL3
- 17.Buring a candle is an exmaple of a:
- A.
Physical Change
- B.
Chemical Change
- 18.Sawing wood is an example of a
- A.
Physical Change
- B.
Chemical Change
- 19.If the Denisty of an object is 12.5 g/cm3 and its volume is 6 cm3, what is the objects mass?
- A.
75 g
- B.
70 g
- C.
65 g
- D.
60 g
- 20.At 0 degrees C, water
- A.
Freezes
- B.
Melting
- C.
Evaporates
- D.
Condenses
- 21.Mixing baking soda and vinegar is an exmaple of:
- A.
Physical Change
- B.
Chemical Change
- 22.Melting chocolate is an example of
- A.
Physical Change
- B.
Chemical Change
- 23.If the volume of a object is 9 cm3 and its mass is 207 g, what is the objects density.
- A.
18 g/cm3
- B.
23 g/cm3
- C.
15 g/cm3
- D.
24 g/cm3
- 24.Melting a metal is an example of
- A.
Physical Change
- B.
Chemical Change
- 25.If a object has deminsions of 3cm, 2cm and 2 cm and its mass is 240g, what is the objects density?
- A.
2 g/cm3
- B.
20 g/cm3
- C.
21 g/cm3
- D.
18 g/cm3
- 26.If an object has a density of 88 g/cm3 and mass of 4 g, what is volume of the object?
- A.
22 cm3
- B.
20 cm3
- C.
24 cm3
- D.
18 cm3
- 27.At which temperature does water boil?
- A.
0 C
- B.
212 C
- C.
100 C
- D.
55 C
- 28.Dry ice to a CO2 gas is a
- A.
Physical Change
- B.
Chemical Change
- 29.Roasting marshmelllows is an example of
- A.
Physical Change
- B.
Chemical Change
- 30.Making Lemonade is an example of a
- A.
Physical Change
- B.
Chemical Change
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