Lab Safety
Lab Equipment
Conversions
Vocabulary
Graphs
100
If your lab partner’s clothes catch on fire, what is the first thing you should do?
Tell the teacher
100
Used to grind solid materials into a powder
Mortar and Pestle
100
Convert 23 cm to m.
0.23 m
100
What is the dependent variable?
What is being measured
100
This type of graph is used for showing percentages.
Pie Graph
200
What is the best safety equipment for helping a person who is on fire?
Fire Blanket
200
Used to transfer liquids from large to small containers
Funnel
200
Convert 75°F to °C
24°C
200
Factors that stay the same in an experiment so that the results are reliable are called…
Constants
200
What axis does the dependent variable go on? What axis does the independent variable go on?
DV on Y-axis
IV on X-axis
300
What word is used to describe how to appropriately smell unknown substances in lab?
Waft
300
Best glassware to measure precise amounts of liquid
Graduated Cylinder
300
Place 150,000,000 into scientific notation
1.5 x 108
300
A rule or principle that describes how something happens in nature is a…
Law
300
The best graph to show quantitative vs. quantitative data
Line Graph
400
List 3 things you should wear to protect yourself from chemicals
Safety goggles, lab apron, long pants or closed toed shoes.
400
What two objects are used to heat substances in lab?
Hot plate and Bunsen burner
400
Convert 71,000 mL to gallons.
18.8 gal
400
Explain the difference between precise measurements and accurate measurements.
Precise measurements are consistent/specific.
Accurate measurements are correct.
400
List 3 things every line graph must have.
Title, X-Axis label, Y-Axis label
500
What specific precaution is necessary for heating test tubes?
Tilt the mouth of the test tube away from you and your partners
500
The curve that forms in liquids in graduated cylinders.
Meniscus
500
Convert 360 Kelvin to °F.
188.33°F
500
A team of scientists want to test if watching commercials makes kids eat more snacks when watching TV. They gather two groups of elementary school students. The first group watches 2 hours of TV with no food commercials. The second group watches 2 hours of TV with food commercials every 15 minutes. After the scientists record how many goldfish the students ate during the time period.
List the independent variable, dependent variable, control group, and experimental group.
IV = whether or not kids watch food commercials
DV = amount of goldfish eaten
Control group = group without food commercials
Experimental group = group with food commercials
500
According to the graph, at what temperature does 300 grams of sugar dissolve in water?
60°C