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DLA #2 Review

Total questions: 37

Worksheet time: 36mins

Name
Class
Date
1.
Which of the following examples best demonstrates kinetic energy? 
a)
A brick lying on the ground
b)
A kite flying across the sky
c)
A television sitting on a table
d)
A curtain hanging in the window
2.
A boy sits to the side of a campfire. He is 10 feet away, but still feels warm. This is an example of-
a)
Conduction
b)
Convection
c)
Radiation
d)
Insulation
3.
When a metal spoon with a temperature of 20oC is placed into a cup of water with a temperature of 90oC the spoon will heat up.  This is an example of:
a)
Conduction
b)
Convection
c)
Radiation
d)
Insulation
4.
During a house fire, the smoke and flames rise up, but the air down near the floor is cooler and less smoky. This is an example of:
a)
Conduction
b)
Convection
c)
Radiation
d)
Insulation
5.
living or recently living organisms we can use as energy resources
a)
Biomass
b)
Nuclear
c)
Solar
d)
Wind
6.
Blowing air can spin turbines to produce electricity.
a)
Biomass
b)
Nuclear
c)
Solar
d)
Wind
7.
Power plants use the energy of flowing water as it moves downstream. The water spins turbines to produce electricity.
a)
Biomass
b)
Nuclear
c)
Hydropower
d)
Wind
8.
Our planet also produces its own energy deep beneath the surface. We drill into the earth to release the steam that turns the turbines.
a)
Biomass
b)
Geothermal
c)
Hydroelectric
d)
Wind
9.
Uses the suns energy to transfer into electricity.
a)
Solar
b)
Wind
c)
Nuclear
d)
Geothermal
10.
What does this graph represent?
a)
Constant speed towards start
b)
Acceleration
c)
Not moving
d)
Constant speed away from start
11.
How long did one of the runner's rest?
a)
8 seconds
b)
13 seconds
c)
5 seconds
d)
50 seconds
12.
Speed =
a)
distance / time
b)
time / distance
c)
distance * time
13.
You walk 10 meters to math class in 20 seconds. Your average speed is
a)
2 m/s
b)
0.5 m/s
c)
200 m/s
d)
5 m/s
14.
Which graph represents the greatest constant speed?
a)
A
b)
B
c)
C
d)
D
15.
A runner races in the 100 meter dash.  It takes her 10 seconds to finish.  What is her average speed?
a)
10 m/s
b)
1000 m/s
c)
100 seconds
d)
10 seconds
16.
What is speed?
a)
how far you go
b)
how much distance is covered over a period of time
c)
how fast you accelerate
d)
the change in the location of a object
17.
What is the average speed of the ball if it falls 40 meters 20 seconds?
a)
A.  20 m/s
b)
B.  10 m/s
c)
C.  0.5 m/s
d)
D.  2 m/s 
18.
Balanced or unbalanced?
a)
Balanced
b)
Unbalanced
19.
A student claims that unbalanced forces acting on an object in motion can cause all of the following results:
• The object could stop moving
• The object could speed up
• The object could change directions
a)
none of the claims are true
b)
one of the claims is true
c)
two of the claims are true
d)
all of the claims are true
20.
Balanced or Unbalanced?
a)
Balanced 
b)
Unbalanced
21.
Michelle has just learned about forces. She makes a list of ideas that she believes is true for the picture shown:
1. Unbalanced
2. Accelerating (speeding up)
3. The force on the right must be larger than the force on the left
4. Moving at a constant speed.
Which do you agree with?
a)
All of the answers are correct
b)
4 only
c)
1,2, and 3
d)
1 and 2 
22.
If a force of lift (upward) is greater than the force of gravity (downward) an object will - 
a)
rise
b)
fall
c)
move foreward
d)
move backward
23.

Which of the following will require the least force to move the load up the inclined plane?

a)
b)
c)
d)
24.
The inclined plane makes work easier by _____ the amount of effort that must be applied to raise or lower a load.
a)
increasing
b)
accelerating
c)
reducing
d)
softening
25.

If you needed to move furniture into a van, why would it be easier to use an inclined pane than to just lift the furniture into the van?

a)

The inclined plane decreases the force of gravity that needs to be overcome

b)

The inclined plane decrease the amount of force needed to move the furniture.

c)

The inclined plane increases the amount of force needed to lift the furniture

d)

The inclined plane decreases the weight of the furniture

26.

The longer the inclined plane, the ___________________ to move the object

a)

less force you need

b)

more force you need

27.

The Eukarya Domain has which organisms?

a)

Bacteria that causes diseases

b)

Bacteria found in volcanoes

c)

plants, animals., fungi and protists

d)

none of the above

28.

Autotrophs

a)

Make their own food

b)

Get their food from others

c)

are Fungi

d)

are none of the above

29.

Multicellular organisms belong in which kingdom?

a)

Archaebacteria

b)

Fungi

c)

Protist

d)

Eubacteria

30.

I am Eukaryotic, mainly multicellular, heterotrophic and reproduce with spores (asexual) and sexually.

a)

Plantae

b)

Animalia

c)

Fungi

d)

Protist

31.

Which kingdom would I be in if I had:

heterotrophic, usually sexual reproduction, and multicellular

a)

Plantae

b)

Animalia

c)

Fungi

d)

Protist

32.

I am multicellular and autotrophic which kingdom would I be in?

a)

Plantae

b)

Animalia

c)

Fungi

d)

Protists

33.

I have many organisms that cause diseases. What Domain am I in?

a)

Eubacteria

b)

Archaebacteria

c)

Fungi

d)

Eukarya

34.

What type of cell has a nucleus?

a)

Prokaryotic

b)

Eukaryotic

c)

Archaea

d)

Eukarya

35.

Why type of cell does not have a nucleus?

a)

Prokaryotic

b)

Eukaryotic

c)

Bacteria

d)

Eukarya

36.

Where is the DNA located in a Eukaryotic Cell?

a)

Outside of the cell

b)

Inside the nucleus

c)

Roaming freely

d)

There is no DNA

37.

Where is the DNA located in a Prokaryotic Cell?

a)

Outside of the cell

b)

Inside the nucleus

c)

Roaming freely inside the cell

d)

There is no DNA