Unit 0: What is Science?

The mass of the chocolate cake is 250 g.

• Qualitative

• Quantitative

The bearded iris smells sweet.

• Qualitative data

• Quantitative data

Your teacher has asked you to explain the difference between quantitative and qualitative observations. Which statement is correct?

• Quantitative observations use numbers, qualitative uses the senses.
• Quantitative observations use the senses, qualitative uses numbers.
• Quantitative observations use measurement, qualitative uses numbers.
• Quantitative observations use colors, qualitative uses the senses.

Using any of your 5 senses to describe the world around you.

• Observation

• Inference

• Prediction

• Logical Theory

Tags

NGSS.MS-LS1-8

Observations that contain numbers, like measurements, are ____________ observations.

• quantitiative
• qualitative
• operational
• scientific

Observations that use adjectives to describe something, like the color or texture of an object, are ________________ observations.

• quantitative
• qualitative
• operational
• scientific

Observation or Inference: The cat is scared.

• Observation

• Inference

Experiment: How does the flavor of ice cream affect the speed of melting?

The flavor of ice cream is the ___________ variable.

• independent

• dependent

Tags

NGSS.MS-PS3-4

Experiment: How does watching TV during studying affect a student’s test grades?

The students grades are the ___________ variable.

• independent
• dependent

The independent variable is the

• one you measure.
• one you change.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS2-2