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WorksheetsLife Science Pre-chapter1
Total questions: 23
Worksheet time: 19mins
Name
Class
Date
1.
Does the type of shoe worn during a 30 meter dash affect the speed of the runner?
a)
independent
b)
dependent
2.
How does increasing the slope of a ramp affect how far a marble travels?
a)
independent
b)
dependent
3.
How does watching TV during studying affect a student’s test grades?
a)
independent
b)
dependent
4.
Ramone wants to know: does the distance a person kicks a soccer ball effect how well they will do on their math test. What is the dependent variable?
a)
How far they kick the soccer ball
b)
who the person is
c)
how well they do on the math test
d)
Type of soccer ball.
5.
This variable in an experiment is the one being deliberately changed by the scientist.
a)
dependent variable
b)
independent variable
c)
data
d)
control group
6.
Three baseball players investigate to see who can throw a baseball the farthest. They mark off an area on the playground for their investigation. Which should they keep constant?
a)
height of the players
b)
color of the balls thrown
c)
order in which the players throw
d)
spot from which the players throw
7.
A factor in an experiment that stays the same.
a)
control group
b)
constant
c)
dependent variable
d)
experimental group
8.
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
9.
Which would be a qualitative observation?
a)
The color of milk
b)
The number of eggs used
c)
The temperature at which the egg boiled
d)
The time it took the egg to cook
10.
This part of the experiment serves as a basis of comparison; the one variable being tested has been omitted.
a)
experimental group
b)
control group
c)
data
d)
variables
11.
What is a theory?
a)
Describes what happens
b)
Explains a process
12.
What is a law?
a)
Describes what happens
b)
Explains a process
13.
Which of the following is true about theories and opinions?
a)
It is about right and wrong
b)
theories explain observations clearly and consistently
c)
A theory doesn't have to be repeatable
14.
What are two different forms of data collection?
a)
Large/Small
b)
Qualitative/Quantitative
c)
Theory/Law
15.
"Garlic grows better as the salt concentration of the solution in which it is grown increases." Describe the control to be used in the experiment.
a)
Garlic bulb in pure water
b)
Garlic bulb in a solution with high a salt concentration
c)
Garlic bulb in a solution with a low salt concentration
d)
Garlic bulb in a solution with a high glucose concentration
17.
What SI unit is used to measure length?
a)
meters
b)
liters
c)
candelas
d)
kilograms
17.
What SI unit is used to measure length?
a)
meters
b)
liters
c)
candelas
d)
kilograms
18.
Convert the following SI Units: 3.2 km to meters
a)
32
b)
320
c)
3200
d)
32000
19.
What is the metric prefix for kilo?
a)
h
b)
he
c)
k
d)
m
20.
Which of the following statements about a controlled experiment is true?
a)
All the variables must be kept the same.
b)
Only one variable is tested at a time.
c)
Scientists always use controlled experiments.
d)
Controlled experiments cannot be performed on living things.
21.
Which describes this statement, "the frog is 4 cm long"?
a)
quantitative data
b)
inference
c)
control group
d)
qualitative data
22.
Which is a testable explanation?
a)
dependent variable
b)
independent variable
c)
hypothesis
d)
observation
23.
A scientific theory is
a)
another word for hypothesis.
b)
a well-tested explanation that unifies a broad range of observations.
c)
the same as the conclusion of an experiment.
d)
the first step in a controlled experiment.
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