Quiz: science


scienceOnline version Revision on concept 1.3 by Ahmed Abdelnaser 1 Gravity and magnetism are similar in that ........................ a they are repulsion forces only b they are attraction forces only c they are forces that attract all objects d we cannot see both of them 2 When we throw a ball upward, it returns back to the ground due to ........................... a gravity only b electricity and mass c magnetism only d magnetism and electricity 3 The ................................ of an object and its .......................... from the Earth's surface, affect the gravity force. a mass color b distance - mass c mass - distance d shape - distance 4 Gravity and magnetism ............................. a are two pushing forces only b are two pulling forces only c have some similarities and some differences d both of them attract all types of objects 5 Magnets can be made of ......................... a copper b glass c iron d plastic 6 Generators convert .................... energy to ......................... energy. a chemical - thermal b thermal - sound c sound-mechanical d mechanical - electrical 7 Electrical energy is used in all the following, except ........................... a operating washing machines b operating televisions and refrigerators c spinning the magnets in generators d lighting up the light bulbs 8 The flow of electric charges along a closed path is known as ...................... a electric wire b light energy c electric current d sound energy 9 ........................ are used to spin the magnet in the generator to produce electricity. a Water and winds b Light and sound c Electricity and sound d Sound and heat 10 Wind turbines need ..................... to produce electricity. a water force b electric force c gravity force d generators 11 The electric wires can be made of ...................... or ......................... a wood - plastic b rubber - wood c aluminum - copper d plastic - rubber 12 The electric wires are covered with .................. as it is a ......................... conductor of electricity. a copper - good b plastic - bad c iron - bad d plastic - good 13 All the following materials are electric insulators, except .............................. a rubber b plastic c wood d steel 14 To insulate electric wires we can wrap them with all the following materials, except ........................... a electrical tap b aluminum foil c a piece of plastic d a piece of rubber 15 Metallic materials are considered as electric ................... , while plastic and rubber are .................. a insulators - conductors b conductors - insulators c circuits - conductors d insulators - energy 16 Electricity can flow through ........................ a an electric conductor b an electric insulator c a wooden bar d an eraser 17 ................. can be found in toasters and .................. a Microwaves - electric stoves b Electric resistors- electric stoves c Electric stove electric resistors d Microwaves - electric resistors 18 In the ................. circuit, the light bulbs that are connected in one loop will light up. a open parallel b closed parallel c open series d closed series 19 .................... are used to stop the flow of electricity. a Batteries b Electric conductors c Electric insulators d Galvanometers 20 In a ................. , the electric current can flow through different branches. a series circuit only b parallel circuit only c resistor d series and parallel circuits 21 The healthy heart has a ............... which produces electrical currents that cause the heart to .............. a natural pacemaker - stop b natural pacemaker - contract c artificial pacemaker - stop d artificial pacemaker - contract 22 The artificial pacemaker is inserted into the ................. of the human body. a brain b chest c legs d hands 23 The artificial pacemaker contains a .................. to send information to physicians, so they know the condition of the ............... a battery - lung b motherboard - brain c built-in antenna - heart d battery - heart 24 The artificial pacemaker is made to produce ............... that makes the heart contracts. a thermal energy b light energy c electrical energy d sound energy 25 All of the following are correct about artificial pacemaker, except .................... a it needs a battery to do its function b it acts as a system inside the chest c it has a built-in antenna d it allows the stomach to work correctly

1

Gravity and magnetism are similar in that ........................

a

they are repulsion forces only

b

they are attraction forces only

c

they are forces that attract all objects

d

we cannot see both of them

2

When we throw a ball upward, it returns back to the ground due to ...........................

a

gravity only

b

electricity and mass

c

magnetism only

d

magnetism and electricity

3

The ................................ of an object and its .......................... from the Earth's surface, affect the gravity force.

a

mass color

b

distance - mass

c

mass - distance

d

shape - distance

4

Gravity and magnetism .............................

a

are two pushing forces only

b

are two pulling forces only

c

have some similarities and some differences

d

both of them attract all types of objects

5

Magnets can be made of .........................

a

copper

b

glass

c

iron

d

plastic

6

Generators convert .................... energy to ......................... energy.

a

chemical - thermal

b

thermal - sound

c

sound-mechanical

d

mechanical - electrical

7

Electrical energy is used in all the following, except ...........................

a

operating washing machines

b

operating televisions and refrigerators

c

spinning the magnets in generators

d

lighting up the light bulbs

8

The flow of electric charges along a closed path is known as ......................

a

electric wire

b

light energy

c

electric current

d

sound energy

9

........................ are used to spin the magnet in the generator to produce electricity.

a

Water and winds

b

Light and sound

c

Electricity and sound

d

Sound and heat

10

Wind turbines need ..................... to produce electricity.

a

water force

b

electric force

c

gravity force

d

generators

11

The electric wires can be made of ...................... or .........................

a

wood - plastic

b

rubber - wood

c

aluminum - copper

d

plastic - rubber

12

The electric wires are covered with .................. as it is a ......................... conductor of electricity.

a

copper - good

b

plastic - bad

c

iron - bad

d

plastic - good

13

All the following materials are electric insulators, except ..............................

a

rubber

b

plastic

c

wood

d

steel

14

To insulate electric wires we can wrap them with all the following materials, except ...........................

a

electrical tap

b

aluminum foil

c

a piece of plastic

d

a piece of rubber

15

Metallic materials are considered as electric ................... , while plastic and rubber are ..................

a

insulators - conductors

b

conductors - insulators

c

circuits - conductors

d

insulators - energy

16

Electricity can flow through ........................

a

an electric conductor

b

an electric insulator

c

a wooden bar

d

an eraser

17

................. can be found in toasters and ..................

a

Microwaves - electric stoves

b

Electric resistors- electric stoves

c

Electric stove electric resistors

d

Microwaves - electric resistors

18

In the ................. circuit, the light bulbs that are connected in one loop will light up.

a

open parallel

b

closed parallel

c

open series

d

closed series

19

.................... are used to stop the flow of electricity.

a

Batteries

b

Electric conductors

c

Electric insulators

d

Galvanometers

20

In a ................. , the electric current can flow through different branches.

a

series circuit only

b

parallel circuit only

c

resistor

d

series and parallel circuits

21

The healthy heart has a ............... which produces electrical currents that cause the heart to ..............

a

natural pacemaker - stop

b

natural pacemaker - contract

c

artificial pacemaker - stop

d

artificial pacemaker - contract

22

The artificial pacemaker is inserted into the ................. of the human body.

a

brain

b

chest

c

legs

d

hands

23

The artificial pacemaker contains a .................. to send information to physicians, so they know the condition of the ...............

a

battery - lung

b

motherboard - brain

c

built-in antenna - heart

d

battery - heart

24

The artificial pacemaker is made to produce ............... that makes the heart contracts.

a

thermal energy

b

light energy

c

electrical energy

d

sound energy

25

All of the following are correct about artificial pacemaker, except ....................

a

it needs a battery to do its function

b

it acts as a system inside the chest

c

it has a built-in antenna

d

it allows the stomach to work correctly

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scienceOnline version

by Ahmed Abdelnaser

Gravity and magnetism are similar in that ........................

When we throw a ball upward, it returns back to the ground due to ...........................

The ................................ of an object and its .......................... from the Earth's surface, affect the gravity force.

Gravity and magnetism .............................

Magnets can be made of .........................

Generators convert .................... energy to ......................... energy.

Electrical energy is used in all the following, except ...........................

The flow of electric charges along a closed path is known as ......................

........................ are used to spin the magnet in the generator to produce electricity.

Wind turbines need ..................... to produce electricity.

The electric wires can be made of ...................... or .........................

The electric wires are covered with .................. as it is a ......................... conductor of electricity.

All the following materials are electric insulators, except ..............................

To insulate electric wires we can wrap them with all the following materials, except ...........................

Metallic materials are considered as electric ................... , while plastic and rubber are ..................

Electricity can flow through ........................

................. can be found in toasters and ..................

In the ................. circuit, the light bulbs that are connected in one loop will light up.

.................... are used to stop the flow of electricity.

In a ................. , the electric current can flow through different branches.

The healthy heart has a ............... which produces electrical currents that cause the heart to ..............

The artificial pacemaker is inserted into the ................. of the human body.

The artificial pacemaker contains a .................. to send information to physicians, so they know the condition of the ...............

The artificial pacemaker is made to produce ............... that makes the heart contracts.

All of the following are correct about artificial pacemaker, except ....................