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WorksheetsEOCT reivew-2
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
John Force, a drag racer, starts from a stopped position he reaches a speed of
140 m/sec in 7 seconds. What is his acceleration?
140 m/sec in 7 seconds. What is his acceleration?
a)
147
m/sec2
b)
200
m/sec2
c)
0.5
m/sec2
d)
20 m/sec2
2.
An object rolls east at a steady speed of
12 m/s for 3.0 seconds. What distance did it travel?
12 m/s for 3.0 seconds. What distance did it travel?
a)
7.0 m
b)
18 m
c)
24 m
d)
36 m
3.
During a launch, a rocket moves upward. Which best describes the action-reaction force pair for the rocket during the launch?
a)
Hot gases push against the rocket, while the rocket pushes against the hot gases.
b)
The ground pushes up on the rocket, while hot exhaust gases push down on the ground.
c)
The rocket pushes down on the atmosphere, while gravity pushes up on the rocket.
d)
Gravity pushes down on the rocket, while the atmosphere pushes up on the rocket.
4.
A force of 25 newtons east and a force of
25 newtons west act concurrently on a
5.0 kilogram cart. What is the acceleration of the cart?
25 newtons west act concurrently on a
5.0 kilogram cart. What is the acceleration of the cart?
a)
1.0 m/s2 west
b)
0.20 m/s2 east
c)
5.0 m/s2
d)
0 m/s2
5.
What happens to the volume of a gas as temperature drops?
a)
It decreases in direct proportion to the square of the temperature drop.
b)
It decreases in direct proportion to the temperature drop.
c)
It increases in direct proportion to the temperature drop.
d)
It increases in direct proportion to the square of the temperature drop.
6.
Which of the following is an example of a situation in which exothermic chemical reactions occur?
a)
Ice cubes melt into water.
b)
Boiling pots of water turn to steam.
c)
Fireworks explode during a holiday.
d)
Pieces of KCl dissolve in water.
7.
A cart at the top of a hill is released and rolls down the hill. Which of the following describes the energy of the cart just as it reaches the bottom of the hill?
a)
The cart has no energy.
b)
The cart has maximum kinetic energy.
c)
The cart has maximum gravitational potential energy.
d)
The cart has equal gravitational potential and kinetic energy.
8.
Which of the following example shows nuclear energy transformed to electrical energy?
a)
nuclear power plant
b)
sun
c)
stars
d)
atomic bomb
9.
In a coal burning power plant, coal is burned to heat steam to turn a turbine. The turbine generates power that is sent to homes and businesses. The energy transformation ____
a)
mechanical, electrical, chemical
b)
electrical, chemical, mechanical
c)
mechanical, chemical, electrical
d)
chemical, mechanical, electrical
10.
On a visible light spectrum, if yellow light has a wavelength of 570 nm(nanometer) and Blue light has wavelength of 450 nm. What would be the wavelength of green light?
a)
400 nm
b)
500 nm
c)
610 nm
d)
590 nm
11.
Which of the following observations demonstrates that visible light waves are electromagnetic and not mechanical? a) b)c)d)
a)
Sunlight can pass through gas
b)
Sunlight can pass though solids
c)
Sunlight can pass through liquids.
d)
Sunlight can pass through a vacuum
12.
How are the wave energy and the wavelength in the electromagnetic spectrum related?
a)
As wavelength gets shorter, the waves have more energy.
b)
As wavelength gets longer, the waves have more energy.
c)
As wavelength gets shorter, the waves have less energy.
d)
As wavelength gets shorter, the waves have the same energy.
13.
A negatively charged rubber rod was brought near some small pieces of paper. The rod’s charges repelled the negative charges in the pieces. Which of the following caused the repulsion of the negative charges?
a)
conduction
b)
gravitation
c)
induction
d)
insulation
14.
The battery in an i-pod provides a constant flow of electrons through conductors in the same direction to power the ipod. An i-pod is powered by ____________ current.
a)
alternating
b)
direct
c)
ampere
d)
distributed
15.
Which is an example of gaining a static charge by conduction?
a)
acquire atoms.
rubbing a balloon against your hair
rubbing a balloon against your hair
b)
shuffling your shoes across a carpet.
c)
Bringing a charged rod near an electroscope.
d)
Touching your car on a cold day and getting a shock.
16.
When we touch a Van de Graaff generator, our hair may stand up if it is dry. This happens only if the strands of our hair
a)
acquire atoms.
b)
repel each other because negative charge
c)
attract each other.
d)
acquire neutrons
17.
The nucleus of a large atom splits and two smaller atoms are formed. Energy is released in the process. What is the name of this process?
a)
fusion
b)
fission
c)
friction
d)
binary multiplication
18.
What is one way that fission and fusion are similar?
a)
Both processes begin with uranium.
b)
Both processes produce energy from mass.
c)
Both processes break nuclei into smaller particles.
d)
Both processes are used to produce commercial electricity.
19.
Which of the following correctly describes the charge of beta particles and alpha particles?
a)
Alpha particles and beta particles are both negatively charged.
b)
Alpha particles are negatively charged, and beta particles are positively charged.
c)
Alpha particles are positively charged, and beta particles are negatively charged.
d)
Alpha particles and beta particles are both positively charged.
20.
Which of the following chemical equation is a balances equation for:
___ SnO2 + ___ H2 → ___ Sn + ___ H2O?
___ SnO2 + ___ H2 → ___ Sn + ___ H2O?
a)
2 SnO2 + 2 H2 → 2 Sn + H2O
b)
SnO2 + 2 H2 → Sn + 2 H2O
c)
SnO2 + H2 → Sn + 2 H2O
d)
2 SnO2 + H2 → 2Sn + H2O
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