Lab Safety
What is the correct way to wear goggles?
Wear them over your eyes, not your neck.
What is the first step in the scientific method?
Ask a question or identify a problem.
What is the standard system of measurement used worldwide?
The International System of Units is the standard system of measurement used worldwide.
4 km = _____________ m
4,000 m
1,000 m = _____________ km
1 km
What do you do if you get something on your hand?
Wash your hands really well.
What is a hypothesis?
A hypothesis is a smart guess or prediction about what you think will happen in an experiment. It is based on what you already know and can be tested to see if it is true or false.
Example: If plants get more sunlight, then they will grow taller because sunlight helps them make food.
What is the unit for mass?
Gram
50 mm = _____________ cm
5 cm
9 km = _____________ m
9,000 m
False, obviously you can't do this.
*Additional 100 points if team mentioned the 3Rs*
What should a scientist do if the results of an experiment do not support the hypothesis?
They should revise the hypothesis or design a new experiment to test a different idea.
What is the unit of measurement for length?
Meter
2,000 m = _____________ km
2 km
400 cm = _____________ m
4 m
What do you do if glass breaks?
Notify the teacher and DO NOT touch it.
What does it mean to make an observation in the scientific method?
It means using your senses or tools to notice and describe something carefully.
What is the definition of length?
Distance between two points
6 cm = _____________ mm
60 mm
9,000 ml = _____________ L
9 L
What is one of Mrs. Sandefur's safety rules?
Students may NOT enter the science lab without teacher permission.
Do not handle equipment/supplies in the lab until instructed.
Eye protection, gloves, and a lab apron must be worn when required.
No eating/drinking during science labs unless the teacher explicitly says.
Report any injury that occurs to the teacher immediately.
Clean up spills quickly but if glass breaks, notify the teacher.
Students will clean their lab station before leaving the lab.
What is the purpose of a control group in an experiment?
A control group is used as a baseline to compare results and see the effect of the variable.
What is the definition of mass?
Amount of matter in an object
10,000 g = _____________ kg
10 kg
6 L = _____________ ml
6,000 ml