Lab Equipment
Lab Safety
Steps of Scientifc Method
Controls & Variables
Random Choice
100
What piece of lab equipment would you use to HEAT something in the lab?
A bunsen burner or a hot plate
100

What is the safe way to hold a test tube when heating something?

Use a test tube holder, and point tube opening, away from your face or anyone else. 

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/ Inference

100
Which variable is the one the experimenter can manipulate in an experiment?
The Independent Variable
100
What is a pippette used for
transferring liquids
200

Name a piece of equipment you can use during a dissection.

Dissecting tray; Dissecting Forceps, (tweezers) Incision Scissors, scalpel

200

How do you use the fire extinguisher?


( Possibly Looking for 4 steps )

It's a trick! you wouldn't, but IF you did:

1. Pull the pin.

2. Stand a good distance away from flames.

3. Aim at the base of the fire, and aim side to side. 

4. Ensure your back in facing the nearest safe exit. point.


200
At the end of an experiment you write a statement to either accept or refute 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?
Group 2 - the group that used shaving cream.
200

Should you ever eat or drink anything when doing a lab?

No. Only if specifically instructed to do so by your teacher as part of the lab.

300

What tool would BEST help us in measuring liquids in the lab? 

Graduated cylinder

300

Why is it important to label test tubes you are using with their contents (what's in them)?

So you don't mix them up or accidentally use the wrong one, or mix wrong contents together. 

300
In an experiment besides the Independent Variable, all the other factors must be the same for all the group you test. These other factors are known as what in the experiment?
The Constants or The Controlled Factors
300
3,000 people were divided into 3 groups to see how excercising affects pulse rate. Group 1 did no excercise for 10 minutes. Group 2 did a mild excercise (walking) for 10 minutes Group 3 did strenous excercise for 10 minutes. At the end of 10 minutes everyones pulse rate was recorded. What is the dependent variable in this experiment?
Average pulse rate of each person.
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

A) When you need to measure the WEIGHT of something, what piece of lab equipment do you use?


B) What similar tool, would I NOT use?

Scale / Spring Scale 



Triple beam balance

400

Your lab partner reaches across the bunsen burner to get his pencil. His shirt sleeve catches on fire. What should he do? 

( List 1-2   Or   1-3 steps )

1.Tell the instructor.

2.Stand under safety shower And / Or use fire blanket

3.Stop-Drop and Roll

400
What is the standard of comparison in an experiment called?
The Control (group)
400
Harold wants to know 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. After the test Harold records all their grades. What is the independent variable in this experiment?
Eating breakfast
400
Extra (the gum) has a new longer lasting gum flavor. They tested it out on 10,000 people. Half were given the new longer lasting flavor gum and half were given the original. They were asked to let the experimenters know when their gum no longer had flavor. What is the Dependent Variable
Length of time gum flavor lasts.
500

When you use a microscope, what is the cover slip used for?

To cover the specimen on the slide before you put it on the microscope. 

Can be used to protect the specimen, and avoid contamination.

500

I am coming from gym, its picture day...What must I ENSURE to wear to the lab if I know my lab will entail use of a Bunsen burner  and my hair is long? 

Ensure to bring a hair tie and tie hair back. 


(Other answers, not receiving credit: Lab apron or Lab coat, safety goggles, and safety gloves)

500
What are the trials in an experiment?
The number of times you repeat the experiment.
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 try both remedies. After 1 week her feet don't itch anymore. Jody decides both remedies worked. What is wrong with Jody's conclusion?
She tested both rememdies at the same time so there is no way to know if both really worked, or just one of them.
500

If you are making a graph which axis does the Independent Variable go on (X or Y) and which axis does the Dependent Variable go on (X or Y)?

Independent Variable - X Dependent Variable - Y

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