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WorksheetsExam 1 Review
Total questions: 19
Worksheet time: 10mins
Name
Class
Date
1.
A well-substantiated explanation of WHY something happens in the natural world.
a)
Theory
b)
Law
2.
A well-substantiated explanation of HOW something happens in the natural world.
a)
Theory
b)
Law
3.
Scientists trying to find the cure for the bird flu.
a)
Pure Science
b)
Applied Science
4.
Science that is done for the sake of curiosity and not to solve a problem.
a)
Pure Science
b)
Applied Science
5.
A test tube reaction feels cold to the touch. This must be an exothermic reaction.
a)
True
b)
False
6.
A test tube reaction feels hot to the touch. This must be an endothermic reaction.
a)
True
b)
False
7.
Water spreading out on glass instead of sticking together in water droplets is an example of cohesion.
a)
False
b)
True
8.
You can tell a chemical reaction is at a chemical equilibrium when there are 2 arrows, pointing in both directions in the chemical reaction formula.
a)
True
b)
False
9.
If you break something that is glass, you don’t need to clean it up right away. Wait until the end of the period to tell the teacher so that you have time to finish your experiment.
a)
True
b)
False
10.
If you are on fire, run around the room to get to the shower and pull the triangle handle.
a)
False
b)
True
11.
Examples of these are fats, oils and cholesterol.
a)
Proteins
b)
Lipids
c)
Carbohydrates
d)
Nucleic Acids
12.
These are made and stored by plants, and are then broken down to provide energy for cells.
a)
Carbohydrates
b)
Lipids
13.
These include starches and sugars.
a)
Carbohydrates
b)
Proteins
c)
Nucleic Acids
14.
The type is determined by the number and order of amino acids.
a)
Proteins
b)
Lipids
c)
Nucleic Acids
15.
Identify the atomic mass.
a)
79
b)
196.97
16.
Identify the atomic number.
a)
79
b)
196.97
17.
How many protons does this element have?
a)
79
b)
196.97
c)
80
18.
How many electrons does this element have if it is neutral?
a)
79
b)
196.97
c)
80
19.
How do neutral atoms become ions?
a)
The lose or gain an electron(s)
b)
The lose or gain a proton(s)
c)
The lose or gain a neutron(s)
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