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Unit 1
About me
1
Who am I? We are different but equal
Lessons 1–2
2
The sense organs: five helpers and the eye
Lessons 3–4
3
The ear and the nose
Lessons 5–6
4
The tongue and the skin: taste and touch
Lessons 7–8
5
Communication and review: “About me”
Lessons 9–10
Unit 2
What is around me?
6
Cities, villages and transport
Lessons 11–12
7
Home: sunlight, water and warmth
Lessons 13–14
8
Helpers at home and saving resources
Lessons 15–17
Unit 3
The world around us
9
Living and non-living nature
Lessons 18–19
10
Natural phenomena and the world of plants
Lessons 20–21
11
Wild animals and pets
Lessons 22–23
12
Materials and protecting nature
Lessons 24–25
13
Ecological problems and review
Lessons 26–27
Unit 4
Earth and space
14
Planet Earth and the continents
Lessons 28–29
15
The Solar System and the Moon
Lessons 30–31
16
Artificial satellites and review: “Earth and space”
Lessons 32–33
Unit 5
Amazing events on Earth
17
The seasons and the cardinal directions
Lessons 34–35
18
Finding your way and natural disasters
Lessons 36–37
19
During an earthquake and review
Lessons 38–39
Unit 6
Familiar and unfamiliar substances
20
Earth’s atmosphere and air
Lessons 40–41
21
Fire and water
Lessons 42–43
22
Natural water sources and review
Lessons 44–45
Unit 7
Energy
23
Energy and electricity
Lessons 46–47
24
How electricity is made and how energy changes form
Lessons 48–49
25
Heat, temperature and review: “Energy”
Lessons 50–51
Unit 8
Light and sound
26
Light and shadow
Lessons 52–53
27
A world of colours and sounds
Lessons 54–55
28
Timbre and final review
Lessons 56–57
☰ Contents · Natural science
Grade 2
›
Natural science
›
Week 20
Earth’s atmosphere and air
Lessons 40–41 · 2 lessons · O.E. Tigay, Y.V. Malikova. Natural Science Grade 2, Part 1. Novda Edutainment, 2023; O.E. Tigay. Natural Science Grade 2, Part 2. Novda Edutainment, 2023
Lesson 40
Lesson 41
Quiz
6
Homework
4
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Week 20 · Homework
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