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Section 2.1- Measuring Mass and Volume
Section 2.2- Determining Density
Section 2.3- Graphing
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100
The amount of matter in an object is called its: a. volume. b. gram. c. weight. d. mass.
d. mass
100
By adding more copper to an copper block, you: a. increase its density. b. decrease its density. c. decrease its mass. d. do not change its density.
d. do not change its density
100
The variable usually represented on the x-axis is the ____ variable. a. coordinate b. vertical c. dependent d. independent
d. independent
100
A graduated cylinder contains 30 mL of water. You place an object into the cylinder and the water level rises to 52 mL. What is the volume of the object? a. 22 mL b. 30 mL c. 52 mL d. 82 mL
a. 22 mL
100
On a graph, the range of values for one variable is plotted on one: a. origin. b. axis. c. position. d. slope.
b. axis.
200
The space that an object takes up is known as its: a. density. b. volume. c. weight. d. mass.
b. volume
200
A plastic toy with a mass of 18 grams occupies 9.0 cm3 of space. Its density is: a. 0.3 g/cm3 b. 1.5 g/cm3 c. 2.0 g/cm3 d. 6.0 g/cm3
c. 2.0 g/cm3
200
A scatterplot is the best type of graph to use when: a. one variable causes a second variable to change in value. b. comparing categories of variables. c. comparing quantities of variables as percentages. d. plotting any type of scientific data.
a. one variable causes a second variable to change in value.
200
Titanium has a density of 4.5 g/cm3. Rubber has a density of 1200 kg/m3. Which material has the higher density? a. Titanium b. Rubber c. They are the same d. None of the above
a. Titanium
200
In order to change the density of an object, you can: a. increase its mass, keeping its volume the same. b. keep its mass and volume the same. c. change its shape. d. add more of the same material to it.
a. increase its mass, keeping its volume the same.
300
Which is true of a kilogram of feathers and a kilogram of bricks? a. They have the same mass. b. They have the same volume. c. The bricks are less dense. d. The feathers are more dense.
a. They have the same mass
300
The density of a liquid is higher than the density of a gas because: a. liquids take up more space than gases. b. particles of a liquid are closer together than particles of a gas. c. particles of a gas are closer together than particles of a liquid. d. particles of a solid are closer together than particles of a liquid.
b. particles of a liquid are closer together than particles of a gas.
300
The variable usually represented on the y-axis is the ____ variable. a. coordinate b. vertical c. dependent d. independent
c. dependent
300
What is the density of a metal ring that has a volume of 3.1 cm3 and a mass of 6.0 g? a. 0.50 g/cm3 b. 4.7 g/cm3 c. 1.9 g/cm3 d. 22. g/cm3
c. 1.9 g/cm3
300
What is the volume of the box in the picture? a. 14 cm3 b. 38 cm3 c. 72 cm3 d. 100 cm3
c. 72 cm3
400
When determining the mass of your friend, Kellie, the best units to use would be: a. grams. b. centimeters. c. kilograms. d. liters.
c. kilograms
400
How does the density of a pure silver teapot compare to a pure silver bracelet? a. It is higher. b. It is lower c. It is the same. d. You can’t tell without the numbers.
c. It is the same.
400
In a direct relationship: a. as one variable increases, so does the other. b. when one variable increases, the other decreases. c. there is no change in data. d. variables change randomly.
a. as one variable increases, so does the other.
400
A granite block has a density of 2.6 g/cm3. What is its density in kg/m3? a. 0.0026 kg/m3 b. 2.6 kg/m3 c. 260 kg/m3 d. 2600 kg/m3
d. 2600 kg/m3 (must multiply by 1000 when going from g to kg)
400
The range for x-axis data in Figure 2-1A is: a. 0.05 kilograms b. 0.05 grams c. 0.75 cm/s d. 0.15 kilograms
d. 0.15 kilograms
500
A 10 cm × 10 cm × 10 cm box holds one liter of water. If a box measures 10 cm × 20 cm × 50 cm, how many liters of water does it hold? a. 1 b. 2 c. 5 d. 10
d. 10
500
When an object’s volume is made smaller and its mass remains the same, its density: a. increases. b. decreases. c. remains the same. d. increases then decreases.
a. increases.
500
A graph is drawn on paper to be 20 boxes by 20 boxes. The range of values for the x-axis is 0 to 60 seconds. The range of values for the y-axis is 0 to 20 meters. What is the scale for each axis? a. x-axis is 3 seconds per box y-axis is 2 meters per box b. x-axis is 2 seconds per box y-axis is 3 meters per box c. x-axis is 6 seconds per box y-axis is 2 meters per box d. x-axis is 3 seconds per box y-axis is 1 meter per box
d. x-axis is 3 seconds per box y-axis is 1 meter per box
500
A block has a mass of 23 grams and a volume of 10 cm3. Using the table above, what material is the block made of? a. Wood b. Glass c. Aluminum d. Iron Material Density Wood 0.9 g/cm3 Glass 2.3 g/cm3 Aluminum 2.7 g/cm3 Iron 7.8 g/cm3
b. Glass 2.3 g/cm3
500
The mass vs. speed graph in Figure 2-1A shows a(n): a. direct relationship. b. inverse relationship. c. variable relationship. d. None of the above
b. inverse relationship.