Scientific Method and Lab Safety

What is a hypothesis?

• A hypothesis is the right answer to an experiment.
• A hypothesis is the wrong answer to an experiment.
• A hypothesis is an educated guess.
• I don't know.

The variable that is changed (manipulated) in order to see what effect it has on the test groups is called the

• Independent variable

• Dependent variable

• control group

• experiment

Tags

NGSS.MS-PS2-2

Select the lab safety rules that are being broken

• No eating & drinking in the lab

• Alway keep aisles clear

• Asking the teacher for help with a spill.

• Wear the correct protective clothing/personal equipment (PPE).

Scientists conduct __________ to test hypothesis.

• research

• conclusions

• scientific method

• experiments

Tags

NGSS.MS-PS2-2

The summary at the end of an experiment that explains the results. 

• conclusion
• procedures
• materials
• hypothesis

You have been injured in the laboratory (cut, burn, etc.). First you should

• apply first aid yourself
• tell the science instructor at once
• see a doctor after school
• visit the school nurse after class

A series of steps used by scientists to solve a problem or answer a question. 

• scientific method
• recipe
• data collection
• metric system

When is it OK to eat or drink in the lab?

• Always
• Never

To learn more about how to design and complete your experiment, you have to do this first: __________________

• Nothing

• Research

• A bunch of stuff

• An experiment

During a lab activity, it is okay to yell and argue.

• TRUE

• FALSE