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SI UnitsWe want things uniform
Here are the
standard SI UnitsMeterlength mKilogrammass kgSecond time sKelvintemperature KMole amount nKilojoule Energy kj
Prefixes and scientific notation.
1# before dec
Power of 10
http://scaleofuniverse.com/
• http://www.collegehumor.com/video/46485
HOW BIG IS IT?
• CHOOSE A NUMBER CARD OUT OF THE PILE . DRAW A PICTURE FOR IT AND PUT THE CORRECT SCIENTIFIC NOTATION ON IT AND HAND IT UP ON THE WALL!!!
• MUST HAVE
• PICTURE, NAME, AND SCIENTIFIC NOTATION
How do I convert units?
How many inches are there in a football field
• How many inches are there in a football field
• Rules- units must cross out except the last one on the top!
• If a number is on top then multiply it
• If a number is on the bottom then divide it
Try this one
According to the world health organization a person needs .66 gallons of water a day. How many cups of water should a person drink a day?
Oh wait one more thing!
•13.777789943234 gallons
•Where do I round when I get a great big number in my calculator?
Significant Figures
How many numbers in your answer actually count?
How accurate can you be?
Hoppy the Frog can jump 21.3 inches at a time. How many hops will it take Hoppy to travel 1.73 yards?
What is scientific notation?
For scientific notation leave one number (not a zero) in front of the decimal and then put times 10 and raise it to a power.
What power? Count how many times you had to move your decimal. That is the number you raise it too
Check your negatives and positives