NEW
Font size
S
M
L
XL
WorksheetsLMS 8th Grade Science Homework #2-2
Total questions: 25
Worksheet time: 26mins
Name
Class
Date
1.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
2.
How will this object move?
a)
It won't move.
b)
It will move to the right.
c)
It will move to the left.
d)
It will move in both directions.
3.
Which could be an example of an unbalanced force?
a)
A plate sitting on a dining table
b)
A ball at the top of a hill that is not moving
c)
Earth orbiting the Sun
d)
A baseball that has been thrown to home plate.
4.
Energy due to motion is ____________ energy.
a)
Potential
b)
Energy
c)
Kinetic
d)
Friction
5.
The faster an object moves, the ________ kinetic energy it has.
a)
more
b)
less
c)
none of the above
d)
all of the above
6.
__________ is stored energy.
a)
Potential
b)
Kinetic
c)
None of the above
d)
All of the above
7.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
8.
What kind of energy is in a moving skateboard?
a)
Potential
b)
Kinetic
9.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
10.
At which point is kinetic energy greatest?
a)
W
b)
X
c)
Y
d)
Z
11.
When a pendulum swings, at which point is kinetic energy highest?
a)
1
b)
2
c)
3
d)
4
12.
When a pendulum swings, at which point is potential energy at its greatest?
a)
1
b)
2
c)
3
d)
4
13.
During which interval is the object not moving?
a)
B to C
b)
C to D
c)
D to E
d)
only at point A
14.
During which interval is the object speeding up?
a)
A to B
b)
B to C
c)
D to E
d)
E to F
15.
During which interval is the object slowing down?
a)
A to B
b)
D to E
c)
E to F
d)
G to H
16.
During which interval are the forces on the object BALANCED (Net Force= 0 N)?
a)
A to B
b)
B to C
c)
D to E
d)
F to G
17.
During which interval are the forces on the object UNBALANCED?
a)
B to C
b)
C to D
c)
D to E
d)
none of these
18.
Which runner stopped for a rest?
a)
Albert
b)
Bob
c)
Charlie
19.
Which runner won the race?
a)
Albert
b)
Bob
c)
Charlie
20.
Acceleration is
a)
increasing speed
b)
decreasing speed
c)
changing direction
d)
all of the above
21.
Each column in the periodic table is called a
a)
period
b)
group
c)
cluster
d)
unit
22.
Which group of the periodic table is composed of inert (not reactive) gases?
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gases
23.
Elements which are shiny, conduct electricity and heat are called
a)
metal
b)
nonmetal
c)
metalloid
d)
nonexistent
24.
The atoms along the staircase are called
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
25.
A horizontal row of elements in the periodic table.
a)
column
b)
group
c)
period
Reset
