End of term 2 Exam preparation

Science Grade 4

Al Sumow School

2023-2024

Created by Miss Zahra Salahuddien.

Contains images and questions from Inspire Platform

Structure of Exam

Multiple choice 4 marks each question

Written answer 8 marks each question

Q1: Page 15�U2M1L1

Created by Zahra Salahuddien. Contains images and questions from Inspire Platform

4-PS3-2: Students will make observations to explain how different types of energy can be transferred in various ways.

Key Concepts from page 15

Identify the energy change in the figure:

1 Window with sunlight: Radiation from the sun is converted into heat and light

2 Teacher talking: transforms chemical energy from food to sound energy

3 Computer: The electrical energy from the laptop is transferred into heat, sound and light.

4 Students building a model: converts chemical energy from food to kinetic energy as they use their hands to build the model.

Created by Zahra Salahuddien. Contains images and questions from Inspire Platform

Q2: Page 14�U2M1L1

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4-PS3-2: Students will make observations to explain how different types of energy can be transferred in various ways.

Types of energy: U2M1L1 page 14

Key concepts (look for and record these answers to summarize):

• What is thermal energy?
• What is sound energy?
• Which of the following energies is stored?
• Which of the following energies is energy of motion?

Q3: Page 23�U2M1L1

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4-PS3-2: Students will make observations to explain how different types of energy can be transferred in various ways.

Types of energy : U2M1L1 page 23

• Learn these 3 questions!!!!!!

Q4: Figure �Page 30�U2M1L2

• 4-PS3-2: Students will plan and carry out investigations to describe and model how energy transfers with sound and light.

Created by Zahra Salahuddien. Contains images and questions from Inspire Platform

X

Y

Label X and Y in the picture.

How do sound waves travel?

Outward in all directions from the source

Possible questions from page 30

rarefaction

compression

Q5 and Q6: Page 32�U2M1L2

• 4-PS3-2: Students will plan and carry out investigations to describe and model how energy transfers with sound and light.

Created by Zahra Salahuddien. Contains images and questions from Inspire Platform

Sound and light: U2M1L2 page 32

Key concepts :

• Evidence that light transfers energy: Can feel warmth on your face
• What is Earth’s main source of light energy? Sun
• What device changes light energy to electricity? Solar cell
• Light travels as particles so it can travel in space
• Light is fastest in space, slower in other mediums.

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Which of the following is the source of solar energy used to produce electricity?

1. Sun
2. Air
3. Water
4. Wind

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Q 7 and 8: Page 48�U2M1L3

• 4-PS3-2: Students will use their observations from their investigations to describe how energy is transferred by electric currents.

Created by Zahra Salahuddien. Contains images and questions from Inspire Platform

Electricity: U2M1L3 page 48

Key concepts (look for and record these answers to summarize):

• What is electric current?
• What is a conductor?
• What is an insulator?
• What is a circuit?
• What are the parts of a circuit and their function?
• What is an open and closed circuit?
• Which circuit can electricity not flow through?

Which of the following slows down or stops the flow of electric current?

1. Copper
2. Silver
3. Gold
4. Wood

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insulator

Q 9: Figure Page 69�U2M1L4

• 4-PS3-2: Students will plan and carry out investigations to explain how energy can be transferred by heat.

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Heat: Figure Page 69 U2M1L4

Key concepts

• Where does the energy flow? From the warmer (hot) to the cooler (cold) object
• What happens to the thermal energy of the blocks when they reach the same temperature? Thermal energy will stop flowing

Q 10: Figure Page 71�U2M1L4

• 4-PS3-2: Students will plan and carry out investigations to explain how energy can be transferred by heat.

Created by Zahra Salahuddien. Contains images and questions from Inspire Platform

Heat: U2M1L4 page 71

• Figure page 71

Possible Questions:

1.Which bulb produces more light?

2.Which bulb uses more electricity?

3.How much light is produced by LED or Incandescent?

4.How much Heat is produced by LED or Incandescent?

LED

Incandescent

LED 91% Incandescent 2%

LED 9% Incandescent 98%

Possible Question:

1.How is thermal energy produced in the picture?

Friction between the match and box

Possible Questions:

1.Which bulb produces more light?

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2.Which bulb uses more electricity?

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3. Label the incandescent and led bulb

LED

Incandescent

The figure below shows the percentages of heat and light energy produced from LED and incandescent light bulbs.��What is the percentage of light that is produced from each of them?

1. LED 91% and incandescent 2%
2. LED 9% and incandescent 2%
3. LED 98% and incandescent 91%
4. LED 9% and incandescent 2%

Created by Zahra Salahuddien. Contains images and questions from Inspire Platform

The figure below shows the percentages of heat and light energy produced from LED and incandescent light bulbs.��What is the percentage of heat that is produced from each of them?

1. LED 91% and incandescent 2%
2. LED 9% and incandescent 2%
3. LED 98% and incandescent 9%
4. LED 9% and incandescent 2%

Created by Zahra Salahuddien. Contains images and questions from Inspire Platform

Q 11: Page 74�U2M1L4

• 4-PS3-2: Students will plan and carry out investigations to explain how energy can be transferred by heat.

Created by Zahra Salahuddien. Contains images and questions from Inspire Platform

Heat: Q 11: Page 74 U2M1L4

Key concepts:

• Thermal energy travels at different speed: fastest by radiation through space, convection slower, slowest conduction.
• What is thermal conductivity? Ability of a material to transfer heat
• What materials are good thermal conductors? metals
• When does thermal conductivity increase? It increases with density. Solids faster then liquids and last gas.
• What are good thermal insulators? Air, wood, brick, water, plastic, silicon
• Practice reading information from the table. Focus on words like most / best and least / worst

Q 12: Page 97�U2M2L1

• 4-ESS3-1: Students will obtain and combine information about the source of nonrenewable resources, and how their uses affect humans.

Created by Zahra Salahuddien. Contains images and questions from Inspire Platform

Q 12: Page 97 U2M2L1

Key concepts:

• We cannot make energy, but we can change it.
• How does energy change in our body from food? Chemical energy changes to movement when we run
• What happens to the chemical energy in a car? Chemical energy changes to energy of motion
• What energy change occurs in a microwave? Electrical energy changes to heat (thermal energy)
• How can we store energy and what form is it in? Use batteries to store as potential energy.
• How does energy change in a circuit with a battery? From potential to electric
• How does energy change in a wind-up toy? From potential to kinetic
• Practice answering the question on page 97

Q13: Figure Page 110�U2M2L2

• 4-PS3-4: Students will obtain and combine information about the source of renewable resources, and how their uses affect humans.

Created by Zahra Salahuddien. Contains images and questions from Inspire Platform

Energy from renewable resources:�U2M2L2 page 110

Key concepts :

• What type of energy is shown in the picture? renewable
• What is a renewable resource? Can be replaced in a short amount of time
• Examples of renewable resources
• What are alternative energy resources and examples.
• What is biomass and biofuel? Energy we can get from plants or living things

Q14: Figure Page 114�U2M2L2

• 4-PS3-4: Students will obtain and combine information about the source of renewable resources, and how their uses affect humans.

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Energy from renewable resources:�U2M2L2 page 114

• Figure page 114

The figure below shows wind turbines. What kind of energy transformation does a wind turbine do?

1. Motion into electrical energy
2. Chemical energy into thermal energy
3. Thermal energy into mechanical energy
4. Chemical energy into kinetic energy

Created by Zahra Salahuddien. Contains images and questions from Inspire Platform

Possible Questions:

1.What percentage of energy is produced by … (example: biomass)?

2.What is the most widely used renewable resource?

3.What is the least use renewable resource?

4.How much electricity is produced from… (example: wind and hydropower)?

11%

hydropower

solarpower

Q 15: Page 129�U2M2L3

• 4-PS3-4: Students will obtain and combine information about the effects of nonrenewable resources on the environment.

Created by Zahra Salahuddien. Contains images and questions from Inspire Platform

Q 15: Page 129 U2M2L3

Key concepts:

• Habitat loss is when animals lose their home
• Which activities lead to habitat loss? Mining for coil, oil, natural gas and by building dams
• Which activity causes disruption to fish? Hydropower builds dams, can disrupt fish migration
• Which activity causes disruption to birds? Wind turbines, can kill birds.
• Practice reading information from the pictures. Read and learn these questions. Make sure you understand the meaning of it.

Q 16: Figure�Page 12�U2M1L1

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4-PS3-2: Students will make observations to explain how different types of energy can be transferred in various ways.

Important points to remember!

• Chemical and nuclear energy are stored --- potential energy
• Both are stored in links between particles

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​

Created by Zahra Salahuddien. Contains images and questions from Inspire Platform

- released when links are broken or created during chemical reactions

Examples:

- burning wood

- digesting food

- released when links are broken during nuclear reactions

Examples:

- in the sun

- nuclear power plants

Q17: Figure Page 95�U2M2L1

• 4-ESS3-1: Students will obtain and combine information about the source of nonrenewable resources, and how their uses affect humans.

Created by Zahra Salahuddien. Contains images and questions from Inspire Platform

Energy from nonrenewable resources:�U2M2L1 page 95

• Figures page 95

What resource is being removed?

Crude oil

Possible questions page 95

Is this resource renewable or nonrenewable?

nonrenewable

What other fossil fuels do you know of?

Coal and natural gas

What makes a resource nonrenewable?

It is used up faster than it can be replaced

Know how to read a diagram for information:

-Circle the nonrenewable energy resource

-What energy is heating the water?

-What converts the energy to electrical energy?

​

thermal

generator

Possible questions page 95

Created by Zahra Salahuddien. Contains images and questions from Inspire Platform

Label the energy transformations that are happening in the picture?

Chemical energy changes to thermal energy

thermal energy changes to kinetic/ mechanical energy

generator changes energy to electrical energy

Q 18: Figure Page 132�U2M2L3

• 4-PS3-4: Students will obtain and combine information about the effects of renewable resources on the environment.

Created by Zahra Salahuddien. Contains images and questions from Inspire Platform

Q 18: Figure Page 132�U2M2L3

Created by Zahra Salahuddien. Contains images and questions from Inspire Platform

*Learn the examples in the table

Q 18: Figure Page 132�U2M2L3�Possible questions

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What does conservation mean?

The act of saving and using resources wisely.

What are the 3 R’s ?

Reduce, Reuse, Recycle

Q 19: Figure Page 70 U2M1L4

• 4-PS3-2: Students will plan and carry out investigations to explain how energy can be transferred by heat.

Created by Zahra Salahuddien. Contains images and questions from Inspire Platform

Possible questions image page 70

Created by Zahra Salahuddien. Contains images and questions from Inspire Platform

What type of energy is transferred?

Thermal energy

*Learn the pictures and solutions. Remember to look for clues and make sure to spell correctly

Q 20: Figure Page 50�U2M1L3

• 4-PS3-2: Students will use their observations from their investigations to describe how energy is transferred by electric currents.

Created by Zahra Salahuddien. Contains images and questions from Inspire Platform

Electricity: U2M1L3 page 50

• Figure page 50

Possible Questions:

What type of circuit is diagram A and B showing?

What do the symbols represent?

Draw a circuit diagram of A or B

series circuit

parallel circuit

Learn this!!!

*These are only suggested guides for possible questions. Please study all pages mentioned carefully.�*Questions might appear in a different order in the actual exam, or on the exam paper in the case of G4

Created by Zahra Salahuddien. Contains images and questions from Inspire Platform

Created by Zahra Salahuddien. Contains images and questions from Inspire Platform