Science and Lab Safety Quiz

You see smoke rising from behind a hill. Saying “there is a fire” is an example of:

• Observation

• Inference

• Data

• Hypothesis

A rock feels rough to the touch. This is a:

• Quantitative observation

• Qualitative observation

• Inference

• Prediction

A student writes: “The liquid has a volume of 20 mL.” This is a:

• Inference

• Qualitative observation

• Quantitative observation

• Opinion

Inferences are based on reasoning from:

• Data only

• Observations

• Predictions

• Hypotheses

Tags

NGSS.MS-PS1-2

NGSS.MS-PS3-5

“The flower is red” is what type of observation?

• Quantitative

• Inference

• Qualitative

• Prediction

True or False: It is safe to eat in the lab as long as your hands are clean.

• True

• False

A student is pushing classmates during a lab. Why is this unsafe?

• They might miss instructions.

• They could cause spills and injuries.

• They are wasting time.

• They are distracting the teacher.

What should the student do instead of fooling around in the lab?

• Sit quietly without working

• Stay focused and follow directions

• Leave the lab early

• Tell a joke quietly

If a chemical spills on the lab bench, the FIRST thing a student should do is:

• Wipe it up with a paper towel

• Tell the teacher immediately

• Ignore it if it looks harmless

• Wash their hands

A student records how plant height changes over 4 weeks. What goes on the X-axis of the graph?

• Plant height (cm)

• Time (weeks)

• Sunlight amount

• Water amount