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

Tags

NGSS.5-PS1-3

Observations that use numbers or measurements.

• qualitative observations
• quantitative observations

Tags

NGSS.3-ESS2-1

NGSS.5-ESS2-2

NGSS.5-PS1-2

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.

Tags

NGSS.3-PS2-2

This is how much matter an object takes up.

• matter
• mass
• volume
• thermometer

This measures temperature.

• graduated cylinder
• thermometer
• pan balance
• matter

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

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

Tags

NGSS.3-5-ETS1-3

What is this?

• Balance
• Triple beam balance
• Mass
• Graduated cylinder

Tags

NGSS.5-PS1-3

What is a hypothesis?

• A theory
• An educated guess based on information that uses the words "if" and "then"
• What is changed in an experiment
• The first step in the Scientific Process