2016-2017 PRETEST SLO

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Do your very best,even if you are not sure, make the best guess.

First and Last Name *

Type your name

What period are you in? *

What is your email address? *

1. What is the density of a piece of wood that has a mass of 25.0 grams and a volume of 5 cm3? *

2. A piece of wood that measures 4.0 cm by 5.0 cm by 4.0 cm has a mass of 160.0 grams. What is the density of the wood? *

3. Would the piece of wood from question #2 float or sink in pure water *

4. A cup of gold colored metal beads was measured to have a mass 425 grams. By water displacement, the volume of the beads was calculated to be 48.0 cm3. Given the following densities, identify the metal. *

5. The volume of a solution was measured in the following graduated cylinder. If the mass of solution is measured to be 65.0 grams, what is the density of the solution? *

Round to the nearest hundredth

6. Which formula is currently used to determine density? *

length x width x height

weight x cubic centimeters

mass divided by volume

height x radius squared

7. Pretend that you are expected to measure the mass of a glass cube. You are given the following equipment: metric ruler, triple beam balance, magnifying glass, microscope, water and a beaker. What equipment should you use to measure the mass?

a. beaker, magnifying lens and a ruler

b. magnifying lens and ruler

c. beaker and water

d. triple beam balance

Clear selection

8. What is the volume of the rock in this picture? *

a. 30 cm3

b. 5 cm3

c. 30 mL

d. 5 mL

9. A student measured the volume of an inflated balloon and then puts it in the freezer. Predict what will happen to the volume of the balloon in the freezer. *

a. Volume will stay the same

b. Volume will increase

c. Volume will decrease

d. Mass will increase

10. Infer what will happen to the density of the balloon in the above question. *

a. the density will decrease because the volume increased

b. the density will increase because the volume decreased

c. the density will decrease because the mass increased

d. the density will increase because the mass decreased

11. Why would a bridge builder construct a large steel bridge with 1-inch cracks or spaces every 50 feet along the roadway of the bridge? *

a. Steel can become brittle and break

b. So when the wind blows the bridge does not crack

c. To allow for expansion and contraction of the steel during different seasons

d. To save money on bridge building

12. An egg sinks in pure water but floats in salt water. What you do you know about the density of the egg? *

a. It is more dense than pure water but less dense than salt water.

b. It is less dense than pure water and less dense than salt water.

c. It is more dense than pure water and more dense than salt water.

d. It is less dense than pure water but more dense than salt water

13. What is the mass of the rock using the following data? *

10 mL

6 grams

5 mL

1.5 g/mL

14. What is the density of a log that is floating in a lake? *

a. less than air

b. less than lake water

c. the same as lake water

d. more than lake water

15. A rock and a lead weight both sink when dropped into a lake. What do you know FOR SURE about their densities? *

a. They have the same density.

b. They have different densities.

c. They are more dense than water.

d. They are less dense than water

16. Water has a density of 1 g/mL. What density might a typical rock have? *

a. .005 g/cm3

b. .5 g/cm3

c. 5 g/cm3

d. 5000.0 g/cm3

17. How would a student find the volume of an irregularly shaped piece of rock? *

a. LxWxH

b. use a triple beam balance

c. put it on a scale

d. use water displacement in a metered container

18. When poured together in a jar, what would be the order of the substances starting from the bottom of the jar and going up? *

A. marble, aluminum, plastic, water, oil

B. marble, aluminum, water, plastic, oil

C. marble, plastic, oil, water, aluminum

D. marble, oil, aluminum, plastic, water

19. In winter, a layer of cold air settles in the valleys and warmer air is often found higher in the mountains. Why is this happening? *

a. There is more warm air than cold air.

b. There is more cold air than warm air.

c. Cold air is less dense than warm air.

d. Cold air is more dense than warm air.

20. The mantle is a layer of Earth situated between the crust and the core. What is its density as compared to other layers?

a. Most dense than all the other layers

b. More dense than the crust, less dense than the core

c. Less dense than the crust, more dense than the core

d. The same as both the crust and the core

Clear selection

21. An empty beaker has a mass of 20 grams. A student puts 150 mL of juice in the beaker and puts it on a triple beam balance. The balance reads 200 g. What is the mass of the juice? *

a. 180 g

b. 150 mL

c. 20 g

d. 200 g

22. What tool do you use to measure length *

________ Measures length

23. What tool do you use to measure mass *

________ Measures mass

24. What tool do you use to measure the volume of liquids *

________ Measures volume of liquids

25. What tool do you use to measure the volume of square solids *

________ Measures volume of square solids

26. What tool do you use to measure temperature *

________ Measures temperature

27. What unit do you use to measure volume? *

28. What unit do you use to measure mass? *

29. What unit do you use to measure temperature? *

30. What unit do you use to measure length? *

31. What unit do you use to measure density? *

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