About Topic results of 5,243

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Oxidation - Why do copper vessels turn green? | #aumsum01:42

Oxidation - Why do copper vessels turn green? | #aumsum

21
B1
Sublimation - Why do mothballs disappear over time? | #aumsum01:31

Sublimation - Why do mothballs disappear over time? | #aumsum

30
A2
Archimedes Principle - Why do we weigh less in water? | #aumsum01:37

Archimedes Principle - Why do we weigh less in water? | #aumsum

15
B1
Soil Formation for Kids | #aumsum03:11

Soil Formation for Kids | #aumsum

17
B1
Life Cycle of a Butterfly | #aumsum05:16

Life Cycle of a Butterfly | #aumsum

76
B2
Refraction of Light - Why does a pencil look bent in water? | #aumsum02:27

Refraction of Light - Why does a pencil look bent in water? | #aumsum

32
A2
IELTS Speaking 2: Describe a time you arrived early 05:01

IELTS Speaking 2: Describe a time you arrived early

28
A2
IELTS Speaking test sample - Part 2 (Tina, Band 5)03:11

IELTS Speaking test sample - Part 2 (Tina, Band 5)

18
A2
Setting Goals For 202014:08

Setting Goals For 2020

10
A2
Olympics: First transgender athlete - News Review11:02

Olympics: First transgender athlete - News Review

26
B1
10 Japanese Words made in GERMANY09:41

10 Japanese Words made in GERMANY

2
A2
Who was Charlie Chaplin?14:02

Who was Charlie Chaplin?

457
B1
The Business of English - Episode 9: A customer survey10:18

The Business of English - Episode 9: A customer survey

220
A2
The Business of English - Episode 14: A formal speech10:10

The Business of English - Episode 14: A formal speech

222
A2
How many Premier League forwards can WillNE name in 30 seconds? | Lies vs Stephen Tries & Stevo09:20

How many Premier League forwards can WillNE name in 30 seconds? | Lies vs Stephen Tries & Stevo

1
A2
Using English Prepositions - Lesson 2: About and Of - Improve Your Grammar!13:03

Using English Prepositions - Lesson 2: About and Of - Improve Your Grammar!

149
A2
The Teachers' Room: Top tips for giving instructions05:52

The Teachers' Room: Top tips for giving instructions

21
A2
The True Cause of Obsessive Thinking05:20

The True Cause of Obsessive Thinking

115
B2
How to start a presentation: Tell the audience they're wrong!01:47

How to start a presentation: Tell the audience they're wrong!

153
A2
Hashtags: #MyWorstCar05:05

Hashtags: #MyWorstCar

4
A2
Let's Learn English Lesson 50: Back to School05:01

Let's Learn English Lesson 50: Back to School

2
A2
Hashtags: #MyFamilyIsWeird | The Tonight Show Starring Jimmy Fallon04:41

Hashtags: #MyFamilyIsWeird | The Tonight Show Starring Jimmy Fallon

30
A2
What is Migraine? | #aumsum03:23

What is Migraine? | #aumsum

31
B2
Respiration - Why is it not good to sleep under a tree at night? | #aumsum02:19

Respiration - Why is it not good to sleep under a tree at night? | #aumsum

26
B2
Why do stars seem higher than they actually are? | #aumsum01:50

Why do stars seem higher than they actually are? | #aumsum

14
B1
Why is ultrasound used in sonar? | #aumsum02:35

Why is ultrasound used in sonar? | #aumsum

18
A2
Concave Mirror - Why is your reflection upside down on a spoon? | #aumsum01:23

Concave Mirror - Why is your reflection upside down on a spoon? | #aumsum

40
B1
How to Improve English Grammar Tips to Learn English Grammar Faster17:02

How to Improve English Grammar Tips to Learn English Grammar Faster

29
A2
Why are Pizza Boxes Square? | #aumsum05:52

Why are Pizza Boxes Square? | #aumsum

21
B2
What happens when TOURISTS wear kimono？12:37

What happens when TOURISTS wear kimono？

51
B1
Top 10 Best Betrayal Anime Ever12:54

Top 10 Best Betrayal Anime Ever

160
B2
How to succeed on IELTS Reading11:14

How to succeed on IELTS Reading

762
A2
Why can't I understand native English speakers? (but you can understand me)10:11

Why can't I understand native English speakers? (but you can understand me)

305
A2
5 Reasons You’re Doing Active Learning WRONG08:41

5 Reasons You’re Doing Active Learning WRONG

15
B1
How to Argue in English Confidently? (Tips and expressions)13:00

How to Argue in English Confidently? (Tips and expressions)

6402
A2
The Power Of Spiritual Fitness05:27

The Power Of Spiritual Fitness

6
B1
Speaking English is like Writing an Essay06:43

Speaking English is like Writing an Essay

594
A2
IELTS Speaking Part 3 Trick Outstanding Organization06:46

IELTS Speaking Part 3 Trick Outstanding Organization

33563
A2
How to Connect Ideas & Sentences in English - Basic English Grammar35:00

How to Connect Ideas & Sentences in English - Basic English Grammar

4
A2
Giving and Asking for recommendations in English33:06

Giving and Asking for recommendations in English

4
A2
Google Books: 15 years of preserving knowledge from around the world03:20

Google Books: 15 years of preserving knowledge from around the world

29
B1
IELTS Speaking 2: Describe a country you want to visit05:02

IELTS Speaking 2: Describe a country you want to visit

40
A2
Diffusion - Why can we smell hot food from a distance? | #aumsum02:09

Diffusion - Why can we smell hot food from a distance? | #aumsum

11
B2
Why does sound travel faster in summer than in winter? | #aumsum01:55

Why does sound travel faster in summer than in winter? | #aumsum

14
B1
Mitosis - Why does a lizard's tail grow back? | #aumsum03:56

Mitosis - Why does a lizard's tail grow back? | #aumsum

22
B2
Phrases for expressing an opinion03:25

Phrases for expressing an opinion

27350
A2