scientific method
what is the scientific method?
a series of steps used by scientists to solve problems or answer a question.
Uranium
U
why should you always wear goggles?
so no chemicals or broken glass get in your eyes during experiments.
turn 25,970 cm to meters.
259.70m
what is a balance used for?
to weigh different substances and liquids in grams
what is science?
goal of science is to investigate an understand the natural world, to explain natural world , and to use those explanations to make useful predictions.
Br
Bromine
true or false?
You can eat in a science lab.
False
turn 8,411 mg to kg
0.008411 kg
what is a beaker used for?
to measure the volume of liquid and hold it in experiments.
whats the difference between a theory and a hypothesis?
a theory is backed up by research and facts, a hypothesis is an educated guess.
Lead
Pb
what type of shoes do you have to wear to participate in labs/ experiements?
close-toed.
2.72 L to mL
2720 mL
what is a crucible?
a ceramic or metal container in which metals or other substances may be melted or subjected to very high temperatures
what is the difference between the independent and dependent variables in an experiment.
independent- changed
dependent- observed
W
Tungsten
What should you do if the lab is set up but the teacher is not in the room?
Wait until your teacher returns to start the lab.
convert 10 degrees Celsius to Fahrenheit
50 degrees fahrenheit
what are crucible togs used for?
to hold or transfer crucibles when they are hot or have dangerous chemicals
why is it important to repeat an experiment many times?
to make sure the results are accruate, if they all have the same or differeent results.
Ag
Silver
true or false
You can do labs with long sleeves and long hair down.
false
Convert -50 degreees celsius to kelvin
223 kelvin
what is an erlenmeyer flask used for?
to contain liquids and for mixing, heating, cooling, filtration, storage, etc. it has a narrow neck to prevent splashes.