Lab Safety
You’re working with chemicals and your friend says goggles aren’t necessary this time. What’s the right response?
Always wear goggles when instructed
After testing whether music affects memory, a student decides their original guess was wrong. What step have they just completed?
Conclusion
A scientist runs an experiment on two groups, but only one group gets the new medicine. What is the group without the medicine called?
Control group
You fill a measuring cup with water and record the amount it holds. What property of matter are you measuring?
Volume
When entering the classroom, what is the first thing you should do?
Come in quietly and begin the Do - Now or wait for directions
You drop a beaker and it shatters. You're not hurt, but class is about to end. Should you still report it?
Yes, report all accidents immediately
During a science lab, a student uses their eyes, ears, and nose to gather information. What scientific method step are they performing?
Observations
If you’re testing plant growth and make sure all plants get the same water and soil except one, what are the water and soil considered?
Constants
You need to measure exactly 25 mL of liquid. What lab tool should you use?
Graduated cylinder
True / False
You can get out of your seat without permission.
A bottle has no skull and crossbones label. Does that mean it’s completely safe to touch or smell?
No — all chemicals should be treated as potentially hazardous
A student smells smoke and concludes that something is burning. What kind of logical step is this?
Inference
In a test to see if music affects test scores, what is the one thing you purposely change in each group?
Independent variable
You’re measuring the length of a pencil. What metric unit will most likely be used?
Centimeter
15/15 no in and out the first and last 15 minutes of class
You notice a tiny crack in a beaker but still decide to use it. Why might that be a safety issue?
Cracked glassware can break and cause injury
A student designs a step-by-step plan to test their hypothesis. What is this step called?
Experiment
If students who listen to music perform better on a quiz, what is this improvement an example of?
Dependent variable
You want to show how a plant's height changes over a month. What kind of graph would be best?
Line graph
If I am absent, where can I go to find any missing work or assignments?
Canvas and the white board
You walk into the lab and your teacher starts giving instructions, but you're unsure about what to do next. What should you do before starting any work?
Ask the teacher for clarification
A student observes that plants near a window grow faster. They suggest that sunlight helps plants grow. What part of the scientific method is this?
Hypothesis
In an experiment testing how light affects sleep, what do we call the things that can be changed, like room brightness or sleep time?
Variables
You place an object on a triple beam balance and record 200 grams. What are you measuring?
Mass
True / False
Extra Credit is always available to me.
False