Discuss with your partners… Is this a good experiment? Pure water

Discuss with your partners… Is this a good experiment? Pure water What are they changing? What are they measuring? What are they keeping the same?

Scientists use different tools to measure in an experiment.

To measure “how much” of a liquid

For example: Students are investigating how sunlight vs. shade will affect the amount of water evaporated.

Graduated Cylinder

Graduated Beakers

Measuring Cups

To measure time

Stopwatch (timing device)

For example: Students are how the folds of an airplane will affect how long it stays in the air.

To measure temperature

Thermometers

To measure weight (how heavy)

Spring Scales

Personal Scale

Pan Balance

Triple-Beam Balance

Single Pan Scale

To measure distance (how long or how far)

Tape Measure

Meter Stick

Rulers