Lab Equipment
Lab Safety
Steps of Scientific Method
Controls & Variables
Random Choice
100
What pieces of lab equipment could you use to HEAT something in the lab?
What is a bunsen burner or a hot plate?
100
This is how you should dispose of chemical wastes after completing an experiment.
What is follow the teacher's directions?
100
If people drink 4 alcoholic drinks, then they are more likely to crash when driving. This is an example of what step of the scientific method?
What is a Hypothesis?
100
This variable is the one you change on purpose.
What is the Independent Variable?
100
This is how you read a triple beam balance.
What is add up the weights from each of the 3 beams?
200
You would use this piece of equipment to look at cells.
What is a microscope?
200
This is an appropriate safety rule if your lab includes a candle and matches.
What is tie back loose, long hair?
200
At the end of an experiment you write a statement to either accept or reject your hypothesis. What step of the scientific method is this?
What is the conclusion?
200
100 men were divided into 2 groups of 50 to test a new product...Beard be Gone! It is supposed to remove hair without having to shave. Group 1 was given Beard be Gone! and Group 2 was given regular shaving cream. They were to use the product everyday for 1 week. What is the control in this experiment?
What is group 2 - the group that used shaving cream?
200
This is how you read the volume of liquid in a graduated cylinder.
What is read the meniscus (curved liquid line) at its lowest point?
300
What should we use to measure liquids accurately in lab.
What is a graduated cylinder?
300
Even if a chemical smells very good, you should NOT do this without teacher permission.
What is test a substance by tasting it?
300
In an experiment, all these factors must be the same for all the groups you test.
What are the controls (controlled variables)?
300
Mr. Vivian wants to see which fertilizer works best on his yard so the variable he is testing should be this.
What is the type (brand) of fertilizer?
300
If you bake tater tots at a higher temperature then they will come out crispier. This is an example of a...
What is a hypothesis?
400
You would use this piece of lab equipment when you need to measure the weight or mass of something.
What is a triple beam balance?
400
Your lab partner accidentally breaks a beaker during a lab experiment and both of you should now do this.
What is tell the teacher immediately?
400
In a controlled experiment, there is a control group, an __________ _______ , and a ________________.
What is an experimental group and a variable?
400
Harold wants to know if eating breakfast helps you do better on a test. He gets 10 friends who take science with him to do an experiment. 5 friends eat breakfast before their science test and 5 do not eat breakfast. After the test, Harold records all their grades. What is the independent variable in this experiment?
What is eating breakfast?
400
When you use a graduated cylinder, you are measuring this.
What is volume?
500
When you use a meter stick, you are measuring this.
What is the length?
500
It is very important to know where these 2 safety items are in case of fire.
What is a fire extinguisher and a fire blanket?
500
This variable changes in response to how you changed the independent variable.
What is the dependent variable?
500
Jody has itchy feet. Her friend Beth tells her soaking her feet in salt water will help. Her friend Mary tells her putting lotion on each night with socks will help. Jody decides to do an experiment and tries both remedies at the same time. After 1 week, her feet don't itch anymore. Jody decides both remedies worked. What is wrong with Jody's conclusion?
What is there is no way to know if both really worked, or just one of them worked?
500
When you use a thermometer, you are measuring this.
What is temperature (how hot or cold something is)?
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