The Measurement of Science

What does it measure?• Length (how long)

– The _______ is the basic unit• A little longer than a yard• Meterstick, ruler

• Mass (how much stuff its made of)– The ____________is the basic unit

• A paper clip is about 2 grams• scale

• Volume (how much space it takes)– The ____________is the basic unit

• One liter bottle vs 2 liter bottle• Graduated cylinder, beaker

SI Prefixes• Prefixes are are used to change units by a factor of 10– Kilo = ______ abbreviation - K– Hecto = 100 abbreviation - H– Deka = 10 abbreviation - D– Deci = 0.1 abbreviation - d– Centi = ______ abbreviation - c– milli = 0.001 abbreviation - m

• Example: if you travel 2 kilometers you have traveled– ______________ meters! Kilo stands for ___________

King Henry Doesn’t Usually Drink Chocolate Milk

Kilo Hecto Deka Unit Deci Centi Milli

How do we convert from one measurement to another?

How do I remember that?

TRY THIS USING THE STAIRCASE METHOD

1000 mg = ______ g • Step 1: Determine if you are going to go

up or down the ladder. • Step 2: Determine how many steps there

are from milligrams to grams.• Step 3: Move the decimal point the

amount of places that was determined in steps 1 & 2.

TRY THIS USING THE STAIRCASE METHOD

•0.15 L = __________ ml

•25.6 cm= __________ m

•150,000 mg=_________ kg

Using a Graduated Cylinder

Measure to the bottom of the curve

You should be at eye level with the liquid

Parallax Error

• The error caused by reading measurements from an angle.

• Example- reading a speedometer from the passengers side.