Lab Safety
What should you always wear to protect your eyes during experiments?
Safety goggles.
What tool measures temperature?
Thermometer
Name one state of matter.
Solid, liquid, or gas
What is the first step of the scientific method?
Ask a question (or identify a problem).
What is the basic unit of life?
Cell.
True or False: It is okay to eat or drink in the science lab.
False.
What tool measures mass?
Balance (triple beam or electronic)
What happens to ice when it melts?
It changes from a solid to a liquid.
An educated guess is called a ______.
Hypothesis.
Plants make their own food using what process?
Photosynthesis.
What should you do if you spill a chemical?
Tell the teacher immediately.
What tool measures liquid volume?
Graduated cylinder
Matter is anything that has what two things?
Mass and takes up space (volume).
During an experiment, what should you change on purpose?
Independent variable.
Which gas do humans breathe in?
Oxygen.
If you do not turn in your lab safety contract what will happen?
You will not be able to participate in labs and lose points.
Which tool would you use to measure the length of a pencil?
Metric ruler
Is air matter?
Yes.
What should stay the same during an experiment?
Constants (controlled variables).
Which body system pumps blood?
Circulatory system.
Name two pieces of safety equipment found in many science labs.
What tool helps you see tiny objects?
Microscope
What is the smallest unit of an element?
Atom.
After collecting data, what should scientists do next?
Analyze the data and draw a conclusion.
Name the one main part of a cell.