Class 5 ENST — Chapter 7: Energy — How Things Work

What you'll learn

• ▸What is Energy?
• ▸Air Energy for Movement
• ▸Sound Energy
• ▸Solar Heat Energy
• ▸Food as Energy for Living Beings
• ▸Fuels for Powering Machines and Cooking
• ▸Environmental Impact of Burning Fuels
• ▸Uses of Electricity
• ▸Electrical Safety and Efficiency
• ▸Wind Energy
• ▸Water Energy

Chapter Summary

--- PAGE 1 --- Unit 4 Things Around Us About the Unit This unit at the preparatory stage aimsthings with their own hands, they to familiarise students with variousdevelop a deeper appreciation for the things around them — how thingsmaterials we use in everyday life, and work and how things are made. Inalso learn to connect and care for their Grades 3 and 4, students have engagedenvironment. with local toys like (spinners andIn Grade 5, this unit invites paper boats) to understand how theystudents to explore how everyday work. They have also learned aboutthings, like energy and cloth, are made how things are made by exploring theand used. Through simple activities processes of bricks, paper, etc.and local examples, they learn how While making things with locallyenergy enables movement and light, available materials students learnhow threads become fabric, and why useful methods of sustainablereusing things and clean energy development, including refuse,matter. It helps them see the u…

Practice Questions from this Chapter

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1. Explain solar panels simply. Get Solution →
2. Show different energy transformations. Get Solution →
3. Describe how wind power works. Get Solution →
4. What is energy described as in the chapter? Get Solution →
5. What is a primary source of energy for all living things mentioned in the chapter? Get Solution →
6. What is the main source of light and heat given by nature? Get Solution →
7. According to the chapter, what are fuels like petrol and diesel used for? Get Solution →
8. What activity in the chapter demonstrated how the movement of air generates energy using a balloon? Get Solution →

Did you know?

• 💡 Your brain uses more energy than a 10-watt light bulb, even when you are sleeping.
• 💡 One single lightning bolt contains enough energy to power 100 homes for an entire day.
• 💡 A sneeze can travel incredibly fast, reaching speeds of over 100 miles per hour.
• 💡 Sound cannot travel in space because there is no air for its vibrations to move.
• 💡 Sunlight takes approximately 8 minutes and 20 seconds to reach Earth from the Sun.

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