WorksheetsPhysical Science Midterm 2024
Total questions: 48
Worksheet time: 24mins
Name
Class
Date
1.
It is okay to drink chemicals in the lab.
a)
True
b)
False
2.
Sandals are not allowed in the lab.
a)
True
b)
False
3.
Long hair should be tied up in the lab.
a)
True
b)
False
4.
The x- axis is the horizontal line.
a)
True
b)
False
5.
Titles are not required on graphs.
a)
True
b)
False
6.
Identify the best hypothesis for the experiment:
Ronald wants to know if mice prefer one type of cheese over another. He puts four different types of cheese in front of a mouse to see which one the mouse wants more.
a)
If mice prefer one type of cheese, they will run towards the cheese.
b)
A mouse prefers one type of cheese over another because it ran to a certain cheese.
c)
If a mouse prefers a certain type of cheese, it will run to it because it likes the smell and taste of the cheese.
d)
A mouse does not prefer a certain type of cheese.
7.
What is a independent variable?
a)
The thing the scientist changes on purpose, the cause
b)
The thing that changes because you change something, the effect
c)
When nothing is changed throughout the entire experiment
d)
Things that stay the same throughout the entire experiment, no matter the group
8.
What is a dependent variable?
a)
The thing the scientist changes on purpose, the cause
b)
The thing that changes because you change something, the effect
c)
When nothing is changed throughout the entire experiment
d)
Things that stay the same throughout the entire experiment, no matter the group
9.
What is the format for a hypothesis?
a)
If [cause], then [effect]
b)
If [cause], then [effect] because [reason]
c)
Why does this happen?
d)
A hypothesis is not a thing
10.
What type of data is based on numerical data?
a)
Quantitative
b)
Qualitative
11.
What is a balanced force?
a)
Forces that are equal
b)
Total amount of all forces
c)
Forces that are not equal
d)
Newton's Laws
12.
Convert 65 C to F
-round to the nearest whole number
-do NOT put F
(a)
13.
Convert 675 K to C
-round to the nearest whole number
-do not put C
(a)
14.
Find the density of a cube with a side length of 6 cm and a mass of 600 g. (Round to the nearest whole number, and do Not put units in your answer)
(a)
15.
Find the volume of a toy with a mass of 45 g and a density of 9 g/ml. (Do not put units in your answer.
(a)
16.
What is the unit for force?
a)
N
b)
kg
c)
m/s^2
d)
Newton
17.
Which law says F=MxA
a)
Newton's First Law
b)
Newton's Second Law
c)
Newton's Third Law
18.
A bicyclist travels 60.0 km in 2.5 hours. What is the cyclist's average speed?
a)
150 km/ hr
b)
24 km/hr
c)
0.04 km/hr
19.
A student rides her bike to school. Her school is
5 miles from home. She travels at an average
rate of 15 miles per hour. How much time does
she need?
a)
0.3333
b)
3
c)
75
20.
The information gathered from making observations
a)
Data
b)
Independent Variable
c)
Dependent Variable
d)
Scientific Method
21.
The variable deliberately changed by the scientist
a)
Data
b)
Independent Variable
c)
Dependent Variable
d)
Scientific Method
22.
A series of steps used to answer questions or solve problems
a)
Data
b)
Independent Variable
c)
Dependent Variable
d)
Scientific Method
23.
What is a hypothesis that has been tested many times and is supported by experiments and data?
a)
Hypothesis
b)
Theory
c)
Statement
d)
Law
24.
A hypothesis
a)
Can be tested
b)
is a prediction about the outcome
c)
is testable
d)
All of them
25.
A biologist measuring the number of fish in a lake is collecting qualitative data.
a)
True
b)
False
26.
The purpose of an experiment is to
a)
Have fun
b)
See if your hypothesis is correct or not
c)
Do science
d)
Form a theory
27.
Why must you repeat an experiment many times?
a)
Because it is fun
b)
It is a rule
c)
To make sure you get the same results each time
d)
To waste materials
28.
A car is moving from rest and attained a
velocity of 80 m/s. Calculate the acceleration of
the car after 5 s?
a)
16
b)
-16
c)
400
d)
-400
e)
0.0625
29.
A box has a force of 8 N and a mass of 2 kg. What is the acceleration?
a)
4
b)
12
c)
6
d)
0.25
30.
An object in motion will stay in motion unless acted upon by an unbalanced force?
a)
Newton's first law
b)
Newton's second law
c)
Newton's third law
d)
Energy
31.
The net force is equal to an object's mass times its acceleration
a)
Newton's first law
b)
Newton's second law
c)
Newton's third law
d)
energy
32.
For every action, there is an equal and opposite reaction
a)
Newton's first law
b)
Newton's second law
c)
Newton's third law
d)
Energy
33.
What is a push or pull on an object?
a)
Friction
b)
Force
c)
Negative energy
d)
Positive energy
34.
What is the net force on an object if there is 9 N L and 9 N R?
a)
18
b)
0
c)
9
d)
81
35.
What is the force than can cause an object to slow down?
a)
Friction
b)
Force
c)
Negative Energy
d)
Positive Energy
36.
What is the net force on an object if there is 10 N L and 11 N R?
a)
21 N L
b)
1 N L
c)
1 N R
d)
0 N
37.
What is the net force of an object if there is 6 N R and 12 N L?
a)
6 N L
b)
6 N R
c)
18 N L
d)
18 N R
38.
The formula for momentum is
a)
mass * velocity
b)
mass/ velocity
c)
velocity/ mass
39.
True or false? Two dogs with a different mass have the same momentum.
a)
True
b)
False
40.
What is the momentum if the mass is 8 and the velocity is 6?
a)
48
b)
1.333
c)
0.75
41.
What is a device that operates using electric energy?
a)
Energy source
b)
load
c)
resistor
d)
conductor
42.
What is a material that allows electric energy to flow through it?
a)
energy source
b)
load
c)
resistor
d)
conductor
43.
What pushes a charge through a circuit?
a)
Energy source
b)
load
c)
resistor
d)
conductor
44.
What is a device that is used to control the flow of current through a circuit?
a)
Load
b)
resistor
c)
conductor
d)
switch
45.
What type of circuit allows energy to flow one path?
a)
Series pathway
b)
parallel pathway
c)
one direction pathway
46.
What is the formula for ohms law?
a)
current = volt / resistance
b)
current = resistance/ volts
c)
current = volts * resistance
47.
What is the unit for current?
a)
amps
b)
volts
c)
ohms
d)
watts
48.
What is the number that represents the gravitational constant?
a)
9.8
b)
8.9
c)
4.5
d)
5.4
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