Practice Test Practice Test for for

Chapter 1Chapter 1

Activities in Activities in ScienceScience

1. The prefix for Kilo Means?

1. The prefix for Kilo Means?

•1,000

2. The prefix milli- means ____.

2. The prefix milli- means ____.

•1/1000 or .001

3. The correct symbol for the SI unit of temperature is ____.

3. The correct symbol for the SI unit of temperature is ____.

•K

4. The SI unit that is used to measure time is the ____.?

4. The SI unit that is used to measure time is the ____.?

•S (seconds)

5. How many meters are there in 35,875 cm?

5. How many meters are there in 35,875 cm?

•m = 35,875cm x m = 35,875cm x 1m/100cm1m/100cm

•358.75 m

6. A beaker contains 0.32 L of water. What is the volume of this water in milliliters?

6. A beaker contains 0.32 L of water. What is the volume of this water in milliliters?

•320 ml

7. The process of gathering information through the senses is called ____.

•

7. The process of gathering information through the senses is called ____.

•Observation

8. An idea, event, or object can be represented by a ____ to help people better understand it.•

8. An idea, event, or object can be represented by a ____ to help people better understand it.•Model

9. A standard for comparison that helps to ensure that the experimental result is caused by the condition being tested is the ____.

•

9. A standard for comparison that helps to ensure that the experimental result is caused by the condition being tested is the ____.?

•Control

10. A factor that does NOT change in an experiment is the ____.

•

10. A factor that does NOT change in an experiment is the ____.?

•ConstantConstant

11. Which of these is NOT necessarily true of a theory??

a.

It is a modelIt is a model

b.

It conveys informationIt conveys information

c.

It has a physical representationIt has a physical representation

d.

It is a mental pictureIt is a mental picture

11. Which of these is NOT necessarily true of a theory??

a.

b.

c.

It has a physical representationIt has a physical representation

d.

12. In the expression 100 grams, 100 grams is the ?

12. In the expression 100 grams, 100 grams is the ?

•Quantity

13. Which of these properties CANNOT specifically identify a substance??

•aa..

melting pointmelting point cc..

boiling pointboiling point

bb..

massmass dd..

densitydensity

13. Which of these properties CANNOT specifically identify a substance??

•aa..

cc..

bb..

massmass dd..

• 14. What state of Matter is A• 15. What state of Matter is diagram B• 16. What state of matter is diagram C

•14. Solid•15. Gas•16. Liquid

17. Define a "standard" as it is used in the term standard measurement.

•

17. Define a "standard" as it is used in the term standard measurement.

•an exact quantity that an exact quantity that people agree to use people agree to use for comparisonfor comparison

18. Why is a cubic centimeter a derived unit?

•

18. Why is a cubic centimeter a derived unit?

• Cubic centimeter is a unit of Cubic centimeter is a unit of volume, while centimeter is a unit volume, while centimeter is a unit of length; cmof length; cm33 is a product of the is a product of the units for length, width, and units for length, width, and height.height.

19 Sequence the following steps: scientific law, problem, theory, hypothesis, experiment.

•

19 Sequence the following steps: scientific law, problem, theory, hypothesis, experiment.

•problem, problem, hypothesis, hypothesis, experiment, theory, experiment, theory, scientific lawscientific law

20. Arrange each of the following in order from largest to smallest.1. Centimeter 2. kilometers3. Meters 4. micrometers5. millimeters

20. Arrange each of the following in order from largest to smallest.1. Centimeter 2. kilometers3. Meters 4. micrometers5. millimeters

• Kilometers Kilometers • Meters Meters • Centimeter Centimeter • millimeters millimeters • micrometersmicrometers

21. Calculate the density of a sample of Copper whose mass is 21.5 g and whose volume is 2.42 cm3 . Think Sig FigsThink Sig Figs

21. Calculate the density of a sample of Copper whose mass is 21.5 g and whose volume is 2.42 cm33

Density = 8.88 g/cmDensity = 8.88 g/cm33

22. 25 km = _____meter = ________ dm = ___________ cm= ___________mm?

22. 25 km = _____ meter = ________ dm = ___________ cm= ___________mm?

• 25 km = 25,000 meter 25 km = 25,000 meter

• = 250,000 dm = 250,000 dm

• = 2,500,000__ cm= 2,500,000__ cm

• = 25,000,000_mm= 25,000,000_mm

23. 65 g = _________ kg

23. 65 g = _________ kg

•0.065 kg0.065 kg

65g 1kg1,000g

kg =

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