Do you know how long a foot is? MEASUREMENT Do you know how long a foot is?

How big is a foot? How do you know that it is that Big?

What is the correct answer? A foot is 30.5 centimeters. What is the correct answer? A foot is 3.05 decimeters. Why is it difficult to change From inches, to feet, to miles? #4

There are many ways to measure a foot…but in science we use SI units International System of Units also know as the metric system.

The International System of Units (SI or Advantages of SI The International System of Units (SI or Metric) allows scientists in different countries To share information. When measuring length, volume, or mass the Same prefixes are used when using SI # 1&2

What unit is used to measure. length -. liquid volume -. mass – What unit is used to measure length - liquid volume - mass – temperature -

What unit is used to measure length - meter liquid volume - mass – temperature -

What unit is used to measure length - meter liquid volume - liter mass – temperature -

What unit is used to measure length - meter liquid volume - liter mass – gram temperature -

What unit is used to measure length - meter liquid volume - liter mass – gram temperature – degree Celsius

Use different size units for different quantities. milliliters kiloliters kiloliters

Measurement – Converting from one unit to another   When going from a small unit to a large unit the decimal point moves left (this gives you a smaller number). Example: 1000 m = 1 km   1,000 kilo 100 hecto K H 10 deca 1 (base unit) meter, liter,or gram D 1/10 deci D 1/100 centi C 1/1000 milli U M Kangaroos Hop Down Under Doing Cute Moves When going from a large unit to a small unit the decimal point moves to the right (this gives you a larger number).   Example: 1 km = 1000 m

Calibrate the scale Move weights to balance Add the numbers from the 3 weights.

Graduated cylinder

How to Measure a Test Tube Diameter of mouth (straight across) Length (top to bottom

How could you find out how much the liquid Weighs?

How could you find out how much the liquid Weighs? Weigh cup when empty Weigh cup with liquid Subtract empty cup from full cup. Empty – 150 grams Full -350 grams 350 – 150 = 200g for the liquid

Science: Significant Figures - Rules and Practice

Clean Up Lab Area Put triple beam balance on back shelf. Line up equipment as you found it. Dry lab station with paper towel. Sit down and make sure you know what is Due for homework.