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Forces

Total questions: 26

Worksheet time: 26mins

Name
Class
Date
1.

What are forces?

(¿Qué son las fuerzas?)

a)
Forces are invisible creatures that move objects
b)
Forces are colors that objects emit
c)

Forces are push or pull an object

d)
Forces are sounds produced by objects
2.

The effects of forces are...

Choose 4:

(Los efectos de las fuerzas son...

Elige 4):

a)

make objects change shape

b)

break objects

c)

make a new object

d)

make objects stop moving

e)

make objects start moving

3.

There are two types of force:

(Hay dos tipos de fuerza):

a)
Frictional force and tension force
b)
Gravitational force and magnetic force
c)
Contact force and non-contact force
d)
Push force and pull force
4.

The most important non-contact force is...

(La fuerza más importante de no contacto es...)

a)
Gravity
b)
Inertia
c)
Friction
d)
Magnetism
5.

Many forces repel obects. Other forces (a)   objects.

6.

What is a machine?

(¿Qué es una máquina?)

a)
A machine is a type of animal found in the wild.
b)
A machine is a type of fruit that grows on trees.
c)
A machine is a type of cloud formation in the sky.
d)

A machine is a device that does a task. It makes our lives easier and saves time.

7.

The three simple machines most common are:

a)

Lever

b)

Plane

c)

Inclined plane

d)

Pulley

e)

Pencil

8.

The first machines were very (a)  

9.

First machines were made of:

(Las primeras máquinas estaban hechas de):

Choose 3

a)

stone and bones

b)

metal

c)

wood

d)

coal

e)

leather and rope

10.

Machines improved when people started using tools made up of:

(Las máquinas mejoran cuando las personas empiezan a utilizar herramientas hechas de):

a)

Metal

b)

Bones

c)

Wood

d)

Leather

11.

Steam engines use ____. These machines were powerful and efficient.

(Las máquinas de vapor usan ____. Estas máquinas eran poderosas y eficientes.)

(a)  

12.

Today, most machines use:

(Hoy en día, la mayoría de máquinas utilizan):

Choose 2

a)

fossil fuels

b)

electricital energy

c)
wind energy
d)
steam power
13.

Who invented the printing press in the 15th century?

(¿Quién inventó la imprenta en el siglo XV?)

a)
Isaac Newton
b)
Leonardo da Vinci
c)
Albert Einstein
d)
Johannes Gutenberg
14.

Who created the steam engine in the 18th century?

(¿Quién creó la máquina de vapor en el siglo XVIII?)

a)
James Watt
b)
Thomas Newcomen
c)
Isaac Newton
d)
Benjamin Franklin
15.

What two inventors applied the knowledge of electrical energy in the late 19th century and early 20th century?

(¿Qué dos inventores aplicaron el conocimiento de la energía eléctrica a finales del siglo XIX y a principios del siglo XX?)

a)
Benjamin Franklin and Alexander Graham Bell
b)
Thomas Edison and Nikola Tesla
c)
Marie Curie and Galileo Galilei
d)
Isaac Newton and Albert Einstein
16.

Who invented a system to send signals without cables in the 19th century? This system allowed the creation of radios, televisions and mobile phones.

(¿Quién inventó un sistema sin cables para mandar señales en el siglo XIX? Este sistema permitió crear radios, televisiones y teléfonos móviles. )

a)
Guglielmo Marconi
b)
Thomas Edison
c)
Nikola Tesla
d)
Alexander Graham Bell
17.

When were the first computers made that filled an entire room?

(¿Cuándo se hicieron los primeros ordenadores que ocupaban una habitación entera?)

a)

18th century

b)

19th century

c)

20th century

d)

21st century

18.

At work, machines can do difficult and dangerous jobs.

(En el trabajo, las máquinas pueden realizar trabajos difíciles y peligrosos.)

a)

True

b)

False

c)

I don't know

19.

Transports: with new machines, products can't reach every corner of the world and people can't travel long distances in short periods of time.

(Transportes: con las nuevas máquinas, los productos no pueden llegar a todos los rincones del mundo y las personas no pueden recorrer largas distancias en cortos periodos de tiempo.)

a)

True

b)

False

c)

I don't know

20.

The telephone and the internet allow us to communicate instantly, we can send emails and make video calls.

(El teléfono e internet nos permiten comunicarnos al instante, podemos enviar correos electrónicos y realizar videollamadas.)

a)

True

b)

False

c)

I don't know

21.

Some appliances allow us to keep food longer and in better conditions, others, make our daily tasks easier.

(Algunos electrodomésticos nos permiten conservar los alimentos durante más tiempo y en mejores condiciones, otros, facilitan nuestras tareas diarias.)


a)

True

b)

False

c)

I don't know

22.

What type of energy is it?

a)

Mechanical energy

b)

Electrical energy

c)

Chemical energy

d)

Light energy

23.

What type of energy is it?

a)

Mechanical energy

b)

Chemical energy

c)

Electrical energy

d)

Light energy

24.

What type of energy is it?

a)

Mechanical energy

b)

Electrical energy

c)

Chemical energy

d)

Light energy

25.

What type of energy is it?

a)

Electrical energy

b)

Mechanical energy

c)

Chemical energy

d)

Light energy

26.

What type of energy is it?

a)

Mechanical energy

b)

Light energy

c)

Chemical energy

d)

Electrical energy