1. Welcome to the Metric System These are the metric vocabulary words you will be learning about:
VOLUME
Liter Milliliter
MASS
Kilogram Gram Milligram
LENGTH
Kilometer Meter
Centimeter Millimeter

2. Metric prefixes Kilo = one thousand Ex: Kilometer
Centi = one – hundredth = 1/100
Ex: centimeter
Milli = one - thousandth = 1/1000
Ex: millimeter
Micro = one – millionth 1/1,000,000
Ex: micrometer
Nano = one – billionth 1/ 1,000,000,000
Ex: nanometer

3. What is length?
Length is the distance
from one point
to another

4. The basic unit of length is the ……?
meter
How many centimeter
in a meter?
100 cm
How many millimeters
1000 mm

5. The two units that measure the length of smaller objects are, …
Millimeter or mm
Centimeter
or cm
One centimeter………….mm?
10 mm

6. A meter is divided into centimeter and millimeters The longer lines on the metric ruler are called…….?
centimeters

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

8. Reading Checkpoint One centimeter is divided into how many millimeters?
10 millimeters (mm)

9. Calculating: Measure the turtle from the rear of its shell to the front of its shell. Record its length in both centimeters and millimeters.
8.8 cm
88 mm

10. Measurement-A Common Language
Mass

11. Mass The measure of the amount of matter an object has
Matter: The material that all objects are made up of

12. The basic unit of mass is the…
kilogram.
One kilogram is little more than
2 pounds

13. What are three objects whose masses can be measured in kilograms.
Car
Teacher’s
Desk
Desk Top
Computer
Coolest Car Ever!!!!
Can you think of other
objects?

14. : Smaller objects are measured in grams or g Ex: Such as a paper clip
Medications are measured in
milligrams or mg
Ex: 1 Ibuprofen tablet = 200 mg

15. Mass units One kilogram is…………grams? 1000 grams Problem:
If a paper clip is 10 grams, how many will you need to have 1 kilogram of paperclips?
1000 divide by 10 =
100 paperclips

16. Volume
Volume of Liquids

17. Volume The amount of stuff/matter and space an object takes up
Object can be solid
Ex: Rock
Object can be liquid:
Ex: Juice
Object can be gas:
Ex: Air

18. When measuring the volume of a liquid, scientists use the…
Liter (L).
Can you guess how
many liters is the
big water bottle?
20 liters

19. To measure the volume of smaller liquids, the _________ is used.
Milliliter (mL)
How many milliliters in one liter?
1000 Milliliters

20. Problem The Coke bottle is 2 liters How many milliliters is that?
2 x 1000 = 2,000 ml

21. Problem The Minute Maid soda is half a liter (1/2)
How many milliliters is that?
500 ml

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

23. The curve in the top surface of water in the graduated cylinder is called?
Meniscus

24. Observing – How to read a meniscus
Read the milliliter marking at the bottom of the curve
How much water is in this graduated cylinder?
53 milliliters or ml

25. What are the Metric units from largest to smallest?
Mass
Length
Volume
Kilogram kg
Kilometer km
Liter L
Gram gm
Milliliter ml
Meter m
Milligram mg
Centimeter cm
Millimeter mm
Milliliter

26. What are the Metric units from largest to smallest?
Mass
Length
Volume