Measurement and Scientific Tools Chapter 0 Key Concept Builder LESSON 2

Name
Date
Key Concept Builder
Class
LESSON 2
Chapter 0
Measurement and Scientific Tools
Key Concept What is the difference between accuracy and precision?
Directions: Label this diagram by writing the correct terms from the word bank on each line.
accurate
accurate and precise
not accurate or precise
precise but not accurate
1.
2.
3.
4.
Directions: Answer each question or respond to each statement on the lines provided.
5. What is accuracy?
7. Use the diagram to describe how accurate arrow shots differ from precise arrow shots.
8. When you measure a quantity, what factor can impact the accuracy of the
measurement?
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Scientific Explanations
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
6. What is precision?
Name
Date
Key Concept Builder
Class
Chapter 0
LESSON 2
Measurement and Scientific Tools
Key Concept Why do scientists use significant digits?
Directions: Complete the chart with the correct terms in the space provided.
Significant Digits
Rules
1. All nonzero numbers are significant.
2. Zeros between nonzero digits are significant.
3. Final zeros used after the decimal point are significant.
4. Zeros used solely for spacing the decimal point are not significant. The zeros indicate only the
position of the decimal point.
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
Number
Significant Digits
1.234
1.
2.
1.2
3.
4.
0.023
5.
6.
0.200
7.
8.
9.
10.
3.07
11.
12.
0.001
13.
14.
0.012
15.
16.
17.
18.
1,002
50,600
Scientific Explanations
Applied Rules
29
Name
Date
Key Concept Builder
Class
Chapter 0
LESSON 2
Measurement and Scientific Tools
Key Concept What are some tools used by life scientists?
Directions: On the line before each statement, write T if the statement is true or F if the statement is false. If the
statement is false, change the underlined word(s) to make it true. Write your changes on the lines provided.
1. A science journal is used to measure observations.
2. A triple-beam balance is used to measure the mass of objects.
3. A thermometer measures the temperature of substances.
4. Graduated cylinders are used to measure the volume of solids.
unaided eye.
6. Scientists use computers to compile, retrieve, and analyze data.
7. A magnifying lens is a hand-held lens that enlarges the image of an object.
8. A slide is a thick, circular piece of glass that is used to prepare objects or
substances for observation under a compound microscope.
9. A cover slip is a small glass or plastic tube used to draw up liquids and transfer
them to another place.
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Scientific Explanations
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
5. Microscopes enable you to see objects that are too large to be seen with the
Name
Date
Key Concept Builder
Class
Chapter 0
LESSON 2
Measurement and Scientific Tools
Key Concept What are some tools used by life scientists?
Directions: Complete the concept map with the correct terms from the word bank in the space provided. Each
term is used only once.
degrees Celsius
grams
kilograms
milliliter
temperature
volume
liter
Properties
Measured by
Life Scientists
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
mass
kelvin
Scientific Explanations
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