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