1. The Basics of Measurement

2. Length
What is length?
The distance from one point to another

3. Units of Length The basic unit of length is the meter
Two units for smaller measurements of length include the centimeter (cm) and the millimeter (mm)

4. Complete the Table Below
Prefix
Meaning
Unit of Length
milli
one-hundredth
meter
one-thousand

5. The longer lines on the metric ruler are called…
centimeters

6. The shorter lines on the metric ruler are called…
millimeters

7. Mass The measure of the amount of matter an object contains
Matter: The material that all objects and substances are made up of
Anything that has mass and takes up space is matter

8. The basic unit of mass in the SI system is the…
The basic unit of mass in the SI system is the kilogram.

9. A smaller object’s mass such as a paper clip would be measured in
Smaller objects such as a paper clip would be measure in milligrams.

10. Volume
The amount of space an object takes up

11. When measuring the volume of a liquid, scientists use a unit known as the…
Liter (L).

12. To measure the volume of smaller liquids, the _________ is used.
Milliliter (mL)

13. The instrument used to measure the volume of liquids is called the…
Graduated cylinder.

14. This instrument has markings that are in increments of…
1 milliliter (mL)

15. Meniscus
The curve in the top surface of water in the graduated cylinder

16. Figure 4: Observing - What is the proper way to read a meniscus?
Read the milliliter marking at the bottom of the curve

17. The formula for calculating the volume of a rectangular object is:
Volume = Length x Width x Height

18. Why is the unit cm³ used when calculating the volume of a rectangular object?
When multiplying the object’s length, width and height, the cm units are also multiplied
cm x cm x cm = cm³

19. Volume = Length x Width x Height
Suppose a cereal box is 10 centimeters long, 4 centimeters wide, and 20 centimeters high. What would be the volume of the box?
Volume = Length x Width x Height
Volume = 10 cm x 4 cm x 20 cm
Volume = 800 cm³

20. What is the SI unit used to measure time?
The second(s) is the SI unit to measure time

21. A common unit to measure temperature is the ___ ___.
Celsius scale

22. Water freezes at ______ and boils at ______.
0 °C
100 °C

23. The normal human body temperature is approximately ________.
37 °C

24. What instrument is used to measure temperature?
Thermometer