Quiz about Grade 4 - Unit 1 Glow and Flow

Question 1

There are ______________ main forms of energy.

Accepted Answer

2

Answer

3

Question 2

The energy which is possessed by a body due to motion is called _________________.

Accepted Answer

Kinetic energy

Answer

Potential energy

Question 3

The energy which is possessed by a body due to its position or during rest is called _____________.

Accepted Answer

Potential Energy

Answer

Kinetic

Question 4

_______, _______, ________ and ________ are stored and different forms of potential energy.

Accepted Answer

Gravitational

Elastic

Chemical

Nuclear

Answer

Kinetic

Potential

Chemical

Gravitational

Question 5

Wind energy is a form of ____________ energy.

Accepted Answer

Kinetic

Answer

Potential

Question 6

Thermal energy is also known as __________ energy.

Accepted Answer

Heat Energy

Answer

Hot Air Energy

Question 7

_________ energy comes from tiny charged particles called electrons.

Accepted Answer

Electrical

Answer

Mechanical

Question 8

__________ energy is a form of energy that our eyes can detect.

Accepted Answer

Light

Answer

Sound

Question 9

___________ is a form of electromagnetic radiations and can travel through vacuum as well as other materials like solids, liquids and gases.

Accepted Answer

Light

Answer

electromagnetic radiations

Question 10

________ energy is produced when an object is made to vibrate producing a sound.

Accepted Answer

Sound

Answer

Light

Question 11

Rapid movement in molecules produce __________ energy.

Accepted Answer

Heat

Answer

Sound

Question 12

______________ energy is associated with a gravitational field, like the one that surrounds the earth.

Accepted Answer

Gravitational

Answer

Circular

Question 13

_______________ is converted to thermal (heat) energy when people burn wood in a fireplace or burn gasoline in a car's engine.

Accepted Answer

Chemical

Answer

light

Question 14

_______________is energy stored in the bonds of atoms and molecules. Batteries, biomass,

petroleum, natural gas, and coal are examples of chemical energy.

Accepted Answer

Chemical

Answer

Nuclear

Answer

Physical

Question 15

_______________ is the movement of energy from one location to another.

Accepted Answer

Energy Transfer

Answer

Chemical Transfer

Question 16

When electricity moves from a wall plug, to a charger ______________ energy is converted to ___________ energy.

Accepted Answer

Electrical is converted to Chemical

Answer

Chemical is converted to Electrical

Question 17

Energy ___________ is when energy changes from one form to another.

Accepted Answer

Transformation

Answer

Energy Transfer

Question 18

A microwave changes ____________ energy into ______________ energy.

Accepted Answer

Electrical into Thermal

Answer

Thermal into Electrical

Question 19

The input energy in cars is _______________ and out put is _________________.

Accepted Answer

Input: Chemical

Output: Mechanical

Answer

Input:Mechanical

Output: Chemical

Question 20

The input energy in bulbs is _____________ and output is ________________.

Accepted Answer

Input:Electrical to Light

Output: Heat

Answer

Input: Chemical

Output: Heat

Question 21

____________ is a form of energy.

Accepted Answer

Heat

Answer

Motion

Question 22

Heat flows from ___________ objects to __________ objects.

Accepted Answer

Hotter to Cooler

Answer

Cooler to Hotter

Question 23

Objects are made of particles, or bits, called ______________.

Accepted Answer

Molecules

Answer

Fragments

Question 24

There are three methods of heat transfer , ______________, _______________ and _______________.

Accepted Answer

Conduction, Convection, Radiation

Answer

Conduction, Transformation, Radiation

Question 25

________________ is the flow of heat inside an object. It is also the flow

of heat between objects in contact with each other

Accepted Answer

Conduction

Answer

Convection

Question 26

_______________ is the flow of heat caused by the motion of a liquid

or a gas.

Accepted Answer

Convection

Answer

Conduction

Question 27

_______________ is the flow of heat between objects that are not

in contact with each other.

Accepted Answer

Radiation

Answer

Convection

Question 28

________________ occurs when heat from a hot frying pan is transferred to food placed on the pan to cook.

Accepted Answer

Conduction

Answer

Radiation

Question 29

_____________ occurs due to the heating of water in a teakettle.

Accepted Answer

Convection

Answer

Radiation

Question 30

As water is heated, the molecules that make up the water rise up and

the heat spreads because their density gets ____________.

Accepted Answer

Low

Answer

High

Question 31

Cold molecules sink down because their density gets ______________.

Accepted Answer

High

Answer

Low

Question 32

______________ occurs when heat felt by someone standing a distance away from a hot stove.

Accepted Answer

Radiation

Answer

Conduction

Question 33

__________ from the Sun gives Earth most of its heat.

Accepted Answer

Rays

Answer

Particles

Question 34

When two things come closer together, heat will be transferred from the hotter the cooler one until they reach the same _________________.

Accepted Answer

Temperature

Answer

Time

Question 35

_____________ is the measurement for the power of battery or the force that pushes the current to flow.

Accepted Answer

Voltage

Answer

Current

Question 36

Circuits with a lot of components need more ________________.

Accepted Answer

Batteries

Answer

Bulbs

Question 37

The more batteries, the higher the _______, the higher the push and higher will be the flow of electrons.

Accepted Answer

Voltage

Answer

Current

Question 38

The unit of voltage is ________________.

Accepted Answer

Volts

Answer

Ampere

Question 39

_____________ is the flow of Electricity.

Accepted Answer

Current

Answer

Electron

Question 40

The unit of current is_____________.

Accepted Answer

Ampere

Answer

Volts

Question 41

Components such as bulbs, buzzers, switches and motors need a ______________ to work.

Accepted Answer

Battery

Answer

Light

Question 42

A flow of ____________ moves from a positive pole to a negative pole.

Accepted Answer

Electron

Answer

Particle

Question 43

A_____________ breaks the circuit and the flow of electricity stops.

Accepted Answer

Switch

Answer

Blub

Question 44

When components are arranged in series to make a circuit, it is known as ____________________.

Accepted Answer

Series Circuit

Answer

Parallel Circuit

Question 45

When components are arranged parallely in different loops is called ___________.

Accepted Answer

Parallel circuit

Answer

Series circuit

Question 46

Silver, copper, gold and iron are good _________________.

Accepted Answer

Conductors

Answer

Insulators

Question 47

_____________ energy sources include wind, wave, hydro , biomass and solar.

Accepted Answer

Renewable

Answer

Non Renewable

Question 48

Fossil fuels like natural gas , coal and oil are ____________________.

Accepted Answer

Non Renewable

Answer

Renewable

Question 49

Electricity is first generated at _______________.

Accepted Answer

Power Plants

Answer

Dams

Question 50

After generation, electricity travels through high voltage power lines called ________________.

Accepted Answer

Transmission Lines

Answer

Conversion Lines

Question 51

There are _____________ nuclear power plants in Pakistan and two are under construction.

Accepted Answer

5

Answer

6

Question 52

__________________ change the voltage and make it suitable for using in our homes.

Accepted Answer

Transformers

Answer

Components

Question 53

Finally, the electricity enters our homes through _____________ outlets.

Accepted Answer

Electrical

Answer

Storage

Grade 4 - Unit 1 Glow and Flow

56 questions

There are ______________ main forms of energy.

The energy which is possessed by a body due to motion is called _________________.

The energy which is possessed by a body due to its position or during rest is called _____________.

___, _, and __ are stored and different forms of potential energy.

Wind energy is a form of ____________ energy.

Thermal energy is also known as __________ energy.

_________ energy comes from tiny charged particles called electrons.

__________ energy is a form of energy that our eyes can detect.

___________ is a form of electromagnetic radiations and can travel through vacuum as well as other materials like solids, liquids and gases.

________ energy is produced when an object is made to vibrate producing a sound.

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