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WorksheetsEnergy
Total questions: 25
Worksheet time: 51mins
Name
Class
Date
1.
What is energy?
a)
Energy doesn't exist
b)
It is the capacity to burn coal
c)
It is the ability to do work or to produce transformations
d)
It is a property of the matter used to meassure forces
2.
The ability to move something or cause a change in matter is .....
a)
energy
b)
opaque
c)
heat
d)
light
3.
Mainly, How many types of energy are there?
a)
A lot of
b)
Kinetic and potential energy
c)
Electric and gravitational energy
d)
Elastic and kinetic energy
4.
What is the potential energy?
a)
It is a powerful energy
b)
It is motion energy
c)
It is stored energy
d)
It is not a type of energy
5.
What is the kinetic energy?
a)
It is a powerful energy
b)
It is motion energy
c)
It is stored energy
d)
It is not a type of energy
6.
Which of the following types of energy are types of potential energy?
a)
Elastic, nuclear, gravitational and chemical
b)
Gravitational and light
c)
Elastic and wind
d)
Chemical, sound and light
7.
Which of the following types of energy are types of kinetic energy?
a)
Elastic and chemical
b)
Motion and nuclear
c)
Gravitational and nuclear
d)
Motion, wind, thermal, light and sound
8.
Sailing ships obtain their energy from ........
a)
Gasoline
b)
Sun
c)
Wind
d)
Sea
9.
Animals obtain their energy from .......
a)
Food
b)
Sun
c)
Air
d)
Uranium
10.
Which form of energy does the flowing water possess?
a)
Gravitational energy
b)
Potential energy
c)
Electrical energy
d)
Kinetic energy
11.
Calculate the energy of a 2 Kg stone that is located 2 m above the floor.
a)
40 J
b)
400 J
c)
4 J
d)
27 cal
12.
Calculate the energy of a 0,5 Kg rabbit running at 15 m/s.
a)
66,25 J
b)
67,34 J
c)
56,25 J
d)
5,625 J
13.
Un muelle de 30 cm posee una constante elástica de 40N/m . Calcula la energía que tiene si se estira hasta una longitud de 35 cm.
a)
5 J
b)
50 J
c)
0,05 J
d)
0,25 J
14.
Una bola de 20 g rueda por una mesa horizontal de 80 cm de altura con una velocidad de 5,4 km/h. Calcula su energía.
a)
18 J
b)
0,18 J
c)
1,8 J
d)
180 J
15.
An arrow is drawn back so that 50 Joules of potential energy is stored in the stretched bow and string. When released, the arrow will have a kinetic energy of ____ Joules.
a)
50
b)
More than 50
c)
Less than 50
16.
Se lanza una bola hacia una cuesta . ¿Dónde conseguirá mayor altura en una cuesta que forma 10º con la horizontal o en una cuesta que forma 30 º con la horizontal?.
a)
En la de 10 º
b)
En las dos cuestas igual
c)
En la de 30º
17.
A 4 Kg object is released from a height of 10 m. Just before it hits the ground, its kinetic energy, in joules is?
a)
400
b)
3920
c)
2800
d)
4000
18.
Work done = Force x .........?
a)
Distance
b)
Acceleration
c)
Velocity
d)
Speed
19.
El trabajo realizado sobre un cuerpo por una fuerza horizontal de 40 N durante 50 m
a)
2000 J
b)
200 J
c)
20000J
d)
2 J
20.
¿ Cuando se realiza más trabajo para subir un barril de cerveza a un camión, subiéndolo directamente o rodando el barril por una rampa?.
a)
Subiéndolo directamente
b)
Subiéndolo por la rampa
c)
Se realiza el mismo trabajo cuando se sube por la rampa y subiéndolo directamente
21.
A man carries a load of 500 Kg to a distance of 100 m. The work done by him is? Think about it carefully.
a)
a. 5 J
b)
b. 50,000 J
c)
c. 0
d)
d. 1/5 J
22.
When heat is added to matter, the particles in the matter _____.
a)
move faster
b)
move at the same speed
c)
move more slowly
d)
stop moving
23.
A good conductor of heat energy is ______.
a)
Wood
b)
Plastic
c)
Metal
d)
Rubber
24.
An instrument used to measure __________ is a thermometer.
a)
Evaporate
b)
Condense
c)
Freeze
d)
Temperature
25.
A pesar de todo, me siguen molando los moles.
a)
Por supuesto, no podría vivir sin ellos.
b)
Los odio.
c)
Quiero librarme de ellos.
d)
No me gustan.
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