Show:
Lab Safety
Observation/Inference
Variables
Scientific Method
Up for grabs
100
What is the first thing you should do after a chemical spill?
Tell your teacher
100
An educated guess based on observation and background knowledge
What is an inference?
100

Which variable are we keeping the same in an experiment?

The control variable.

100
What is the first step to the scientific method?
Ask a question or identify a probem
100
What is the tool that scientists use to see tiny objects?
microscopes
200
Why is cracked or chipped glassware a hazard in the laboratory?
It could break more and spill
200
Observation or inference: It’s cloudy out
observation
200
Why is it important to have a control group?
to have something to compare to
200
Tables, charts, and especially graphs are use to
Analyze data or show data more clearly
200

How many steps are there to the scientific method?

5

300
How should a microscope be carried properly?
By the arm and base
300
Observation or Inference: It will rain on Friday
inference
300
Why is it important to run many trials?
For more accurate results
300
What is a hypothesis?
an educated guess
300

What base unit of measurement is used to find the volume of a liquid?

liter.

400
These are used to protect your eyes
What are goggles
400
Observation or Inference: There is a white board in the classroom
observation
400
Why is important to only test one variable at a time?
To obtain useful results – if there is more than one variable you don’t know which variable caused the result
400

What is the last step of the scientific method and includes sharing your results?

Conclusion

400

What is the system of measurement generally used in science?

the metric system.

500
When is it ok to fool around?
never
500
Observation or Inference: There will be 14 Skittles in a package
inference
500
Carlos and Matt constantly argue when playing playstation. It seems Matt's controller always runs out of batteries and Carlos' doesn't. Describe the problem question they can investigate.
Which brand of battery lasts the longest?
500
What must be collected during an experiment?
data
500

List the steps to the scientific method.

1. Problem 

2. Hypothesis

3. Experiment

4. Analyze data

5. Conclusion