Scientific Investigation

Something that is changed or tested in an experiment.

• independent variable
• dependent variable

Observations that are made using only the senses and that describe properties.

• qualitative observations
• quantitative observations

Observations that use numbers or measurements.

• qualitative observations
• quantitative observations

Which is a quantitative observation?

• The car took 6 seconds to roll across the desk.
• The car is red.
• The birds made their nests in apple trees.
• The colder the air, the slower mold will grow on fruit.

This is how much matter an object takes up.

• matter
• mass
• volume
• thermometer

This measures temperature.

• graduated cylinder
• thermometer
• pan balance
• matter

Which tool would you use to measure volume?

• graduated cylinder
• pan balance
• meter tape
• stopwatch

Which of the following is changed during an experiment?

• dependent variable
• independent variable

You are about to conduct a science investigation.  What should you do first?

• clean up your desk
• set up the experiment
• write in your science notebook
• listen to directions

What is this?

• Balance
• Triple beam balance
• Mass
• Graduated cylinder