Worksheets#2 Scientific Method
Total questions: 8
Worksheet time: 4mins
Name
Class
Date
1.
What is the first thing you should do if you have an accident in the lab?
a)
Clean it up
b)
see the nurse
c)
Don't tell anyone
d)
Notify your teacher
2.
Which rule is NOT being broken if your long hair catches fire while you stand above the bunsen burner while heating a given liquid? You and your partner are paying attention. Your goggles are on and your apron is tied around your waste. Your partner is going to get the fire blanket.
a)
Not using appropriate lab protection
b)
knowing where emergency materials are held.
c)
Putting trash - liquid or solid - in its appropriate receptacle
d)
keep combustable materials away from flames
3.
Which of the following is an example of an inference about the plant in the picture?
a)
The plant has 4 leaves
b)
The plant has no flowers
c)
The plant has no stem
d)
The plant has roots
4.
A qualitative observation involves....
a)
Measuring - numbers
b)
Characteristics - adjectives
c)
Questions - what if's
d)
Inference's
5.
A quantitative observation involves...
a)
characteristics - adjectives
b)
Inferences
c)
Questions - what if's
d)
Measurements - numbers
6.
Two jars are placed on a counter with a French Fry inside. One jar has a lid and one does not. They are left alone to see which fry decays faster. After two days the fry in the jar with the lid looks fresher.
What is the independent variable?
What is the independent variable?
a)
They type of French Fry
b)
They type of Jar
c)
Whether the jar has a lid or not
d)
The freshness of the French Fry
7.
Two jars are placed on a counter with a French Fry inside. One jar has a lid and one does not. They are left alone to see which fry decays faster. After two days the fry in the jar with the lid looks fresher.
What is the Dependent Variable?
What is the Dependent Variable?
a)
The freshness of the French Fry
b)
Whether or not the jar has a lid or not
c)
The type of French Fry
d)
The type of jars used
8.
Two jars are placed on a counter with a French Fry inside. One jar has a lid and one does not. They are left alone to see which fry decays faster. After two days the fry in the jar with the lid looks fresher.
What are the controls?
What are the controls?
a)
Whether or not the jar has a lid
b)
The type of jar, type of Fries, when the fries were made
c)
How long the fries are in the jar
d)
The freshness of the French Fry
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