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Part 1
The animal world
1
Remembering summer. Living and non-living nature
Lessons 1–2
2
The animal world and insects
Lessons 3–4
3
Fish, amphibians and reptiles
Lessons 5–6
4
Birds and mammals
Lessons 7–8
5
Bacteria and the animal world of Uzbekistan
Lessons 9–10
Part 1
The plant world
6
The plant world: kinds and forms
Lessons 11–12
7
The life of plants, seeds and plants of Uzbekistan
Lessons 13–15
Part 1
Planet Earth
8
Space: stars, planets and the Solar System
Lessons 16–17
9
Planet Earth and the calendar year
Lessons 18–19
10
Time, day and month; nature and the seasons
Lessons 20–21
Part 1
Climate and weather
11
Weather and the water cycle
Lessons 22–23
12
Temperature, cold and hot places
Lessons 24–26
Part 2
Natural riches
13
The Earth’s surface and earthquakes
Lessons 27–28
14
Water resources and deserts
Lessons 29–30
15
Forests and mountains and their riches
Lessons 31–32
16
Substances and their mixtures
Lessons 33–34
17
Organic and inorganic substances; saving natural resources
Lessons 35–36
Part 2
Energy, light and sound
18
Energy and its changes
Lessons 37–38
19
Light and seeing
Lessons 39–40
20
Sound, hearing, ultrasound and ultraviolet light
Lessons 41–43
Part 2
Motion, mass, hot and cold
21
Motion and measuring distance
Lessons 44–45
22
Speed, mass, hot and cold
Lessons 46–48
Part 2
The human body and health
23
The human body, skeleton, muscles and nervous system
Lessons 49–50
24
Digestion and the circulatory system
Lessons 51–52
25
Hygiene and the daily routine
Lessons 53–54
Part 2
Review and project
26
Review and research project
Lessons 55–56
☰ Contents · Natural science
Grade 3
›
Natural science
›
Week 18
Energy and its changes
Lessons 37–38 · 2 lessons · Y.V. Malikova. Natural Science Grade 3, Part 1. Novda Edutainment, Tashkent, 2023; Y.V. Malikova. Natural Science Grade 3, Part 2. Novda Edutainment, Tashkent, 2023
Lesson 37
Lesson 38
Quiz
6
Homework
4
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Week 18 · Lesson 38: Changes of energy
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Week 18 · Homework
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