Lab Safety/Equipment
Why should you use tongs to remove a beaker from a hot plate?
It will be too hot to touch with bare hands
What is the BEST equipment to measure the volume of a liquid accurately?
What is the group of an experiment that is unchanged, so that we can compare the other groups to?
Control group
What is 89,000,000,000 in scientific notation?
8.9 x 1010
What is the lab equipment heat source with an open flame called?
Bunsen burner
How should you smell an unknown substance in a lab?
Waft
What is the dip in the center of liquid in a graduated cylinder called? HINT: You should measure at the lowest point of this!
Miniscus
What is the format a hypothesis should be written in?
If (independent variable), then (dependent variable)
What is 6.21 x 106 in standard notation?
6,210,000
Any measurement/observation using numbers
What does P.A.S.S. stand for in lab safety?
Pull, Aim, Squeeze, Sweep (how to use a fire extinguisher)
What is the SI unit we use to measure mass?
Grams
What is the factor in an experiment that changes based on the independent variable?
Dependent variable
Convert 46 degrees F to C
7.8 degrees C
Where does the DEPENDENT variable go on a line graph?
X-axis
What should you always do before starting a lab?
Read the directions fully
What is the SI unit we use to measure temperature?
Kelvin
Write a hypothesis for the following question: Will adding more sunlight to a plant make it grow faster?
If I add more sunlight to a plant, then it will grow faster.
Convert 5.4 cups to Liters
1.3 Liters
Which type of graph/chart shows percentages best?
Pie/circle chart
What is the best way to put out a fire on someone else?
Fire blanket
What is the name for the piece of laboratory equipment used to smash a solid into a powder?
Mortar and pestle
What is a constant in an experiment?
Something that is purposely kept the same in an experiment
Convert 6.88km to cm
688,000cm
What is the definition of an inference?
A proposed explanation based on observations