WorksheetsPhysical Science Unit 1 review
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Which step of the scientific method is described in the following statement? Chancey saw bats catching insects after dark. He asked, "How do bats find the insects in the dark?"
a)
form a hypothesis
b)
draw conclusions
c)
perform an experiment
d)
recognize the problem
2.
When a researcher has finished analyzing data and she has drawn conclusions, what should her next step be?
a)
find a new project
b)
share her work with others
c)
repeat her experiment
d)
both B and C
3.
Three of your friends want to see who can throw a Frisbee the farthest. To make it fair, each person throws the Frisbee in the same direction, from the same place. Which of the following will give the fairest results?
a)
Everyone should throw the same Frisbee.
b)
Everyone should throw a Frisbee of the same size and shape.
c)
Everyone should throw a Frisbee of the same shape and mass.
d)
Everyone should throw his/her own Frisbee.
4.
Given this plan, what should the researchers look for when purchasing the 50 tomato plants?
a)
Plants that all have blossoms on them.
b)
Plants that are all the same kind and height.
c)
Plants that have the same number of leaves.
d)
Plants that already all have tomatoes growing on them.
5.
A hypothesis
a)
is the first step in carrying out a scientific investigation.
b)
involves making measurements with a ruler.
c)
follows the experiment.
d)
is a prediction that can be tested.
6.
Kevin wanted to find out what kind of dog food his dog preferred. If he designed an experiment to answer this question, what would the variable be?
a)
what type of dog he has
b)
the different types of dog food
c)
how many times a day the dog eats
d)
how many days he did the experiment
7.
A controlled experiment should have
a)
a control group
b)
one variable
c)
an experimental group
d)
all of the above
8.
Which of the following can be used to measure liquid volume?
a)
balance
b)
graduated cylinder
c)
scale
d)
ruler
9.
The kilogram is a unit that is used to measure
a)
volume
b)
length
c)
mass
d)
time
10.
What metric unit would you use to measure the mass of three paperclips?
a)
milliliter
b)
kilogram
c)
gram
d)
centimeter
11.
On the Celsius temperature scale, water freezes and boils at
a)
0 and 100 degrees
b)
32 and 100 degrees
c)
0 and 32 degrees
d)
32 and 272 degrees
12.
Safety in the laboratory is important
a)
to prevent injury
b)
to prevent breakage of eqiupment
c)
to make lab more difficult
d)
a and b
13.
The space occupied by an object is its
a)
mass
b)
length
c)
weight
d)
volume
14.
Mass and weight are the same thing.
a)
true
b)
false
15.
Splashing water on your lab partner while cleaning up the lab is unacceptable behavior.
a)
true
b)
false
16.
Science can study and explain events that happened millions of years ago.
a)
true
b)
false
17.
A controlled experiment should only have one variable.
a)
true
b)
false
18.
Science is best known for
a)
testing ideas with experiments
b)
reliance on tradition alone
c)
consulting only a single reference
d)
using guesswork at all times
19.
All scientists use the metric system because
a)
it is the best system
b)
it is more accurate than other systems
c)
it is easier to communicate when everyone uses the same system
d)
it is the most complex system
20.
Using the Celsius scale, what temperature would you expect to have on a very hot summer day?
a)
20 degrees C
b)
60 degrees C
c)
37 degrees C
d)
100 degrees C
100 %
