1. DO Now
What was the reason why the orbiter did not do what it was suppose to do when it reached Mars?

2. Do Now: 3min

3. Standards of Measurements
Essential Question: What do scientist use to measure?

4. Objective
Students will be able to understand the units of measurement that scientist use by answering questions related to the units.

5. International System of Units
(SI Units): Standard system of measurement used world wide.

6. SI Continued…
A unit of measurement that is obtained by combining other units is a derived unit.

7. Length
Distance between two points.
EX: Meters, inches, etc…

8. Volume
The amount of space occupied by an object. Expressed in L, cm3 , mL etc..

9. What is Mass?
Amount of matter in an object.
EX: Grams
Fun Fact:

10. What is Density?
Mass per unit volume of a material.

11. What is Time?
Interval between two occurring events. (seconds

12. What are Common Metric Prefixes?

14. Example 1
5,000mL L

15. Example 2
2mg  g

16. Example 3
10cm  km

17. Conversion Problems to Solve
Name:__________________________
Conversion Problems to Solve
Directions: Use your conversion chart to convert the problems. Use the space in the boxes to show your work.
1L=__________mL
150mL=__________L
.50g=__________kg
23mg=__________g
50m=__________km
1000cm=_________m

18. Activity Find your sole mate.
Work on the measuring activity with your sole mate.
When you are done please take a seat at your assigned seat.
DO NOT TALK TO A FRIEND OR YOU WILL LOSE YOUR OUT OF SEAT PRIVLIAGES.

19. Find the Measurements For
Name:_____________________
Directions: With your sole mate you will go around the classroom and measure the items listed on this page. (Use a meter stick if needed or a regular size ruler.) Write down your units (EX: inches, meters, centimeters).
Paper clip:
Text Book:
The Door:
The Board:
Your Desk:
Yourself: