Page 25 - Science Course 1 (Book 1)

Mo.1-L2 : Key Concept Organizer

Directions: Answer each question or respond to each statement on the lines provided
1. List four significant digit rules.

2. Write the number of significant digits in 3. Round to the place value that is underlined:
each number:
2, 568.434.
a. 0.950
b. 3.0001 4. Round to the place value that is underlined:
c. 12.35 8,944.

5. Explain what causes measurement uncertainty.

Mo.1-L2 : Key Concept Check

Directions: On the line before each description, write the term from the word bank that matches it correctly.
Each term is used only once.
Anemometer Computers and the Internet Scientific journal Triple-beam balance
Binoculars Glassware Streak plate Wind vane
Compass Rulers and meter sticks Thermometer

1. These are used to measure lengths and distances.

2. This is any notebook that you use to take notes or record information and
data during a scientific investigation.

3. Beakers are used to hold and pour liquids and graduated cylinders mea-
sure the volume of a liquid because the lines on the side of a beaker are not
as precise.

4. This measures the temperature of a substance.

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