01:12

Osmosis in Traumatic Brain Injury

03:31

Homeostasis (in the context of Rufus Humphrey)

03:47

Human Body Systems (in the context of Rufus Humphrey)

01:47

Genetic Mutations

03:37

Claim-Evidence-Reasoning

05:12

Human Body Systems

04:26

Levels of Organization in the Human Body

02:32

Case 1: John Doe - Part 2

04:13

Case 1: John Doe - Part 1

01:15

Geomagnetic Storms and Auroras

01:17

Types of Solar Eclipse

03:02

Earthquake Waves

01:47

Intro to Organic Chemistry

01:07

Will it sink or float? #density #buoyancy #middleschoolscience #scienceteacher

01:01

Reference Frames and Relative Motion

01:46

Atoms, Elements, and Molecules

03:19

What is a species?

00:34

Reference Frames: Practice Problem 1

02:06

اللبنات الأساسية للحياة(MS-LS1-1)

03:26

Безстатеве і статеве розмноження (MS-LS3-2, Ukrainian)

03:18

Eşeysiz ve Eşeyli Üreme (MS-LS3-2, Turkish)

03:38

Asexual iyo Taranka Galmada (MS-LS3-2, Somali)

04:12

अलैंगिक और यौन प्रजनन (MS-LS3-2, Hindi)

01:55

The Fossil Record (MS-LS4-1, English)

03:28

无性和有性生殖 (MS-LS3-2, Chinese)

03:12

Reproducción asexual y sexual (MS-LS3-2, Spanish)

03:29

Бесполое и половое размножение (MS-LS3-2, Russian)

03:05

Reprodução Assexuada e Sexuada (MS-LS3-2, Portuguese)

03:35

무성생식과 유성생식 (MS-LS3-2, Korean)

03:29

無性生殖と有性生殖 (MS-LS3-2, Japanese)

03:58

التكاثر اللاجنسي والجنسي (MS-LS3-2, Arabic)

03:00

Reproduction asexuée et sexuée (MS-LS3-2, French)

03:18

Asexual and Sexual Reproduction (MS-LS3-2, English)

02:14

Гени і мутації (MS-LS3-1, Ukrainian)

02:19

Genler ve Mutasyonlar (MS-LS3-1, Turkish)

02:36

जीन और उत्परिवर्तन (MS-LS3-1, Hindi)

02:25

الجينات والطفرات (MS-LS3-1, Arabic)

02:21

Genes y mutaciones (MS-LS3-1, Spanish)

02:18

Гены и мутацииm (MS-LS3-1, Russian)

02:17

Genes e Mutações (MS-LS3-1, Portuguese)

02:30

유전자와 돌연변이 (MS-LS3-1, Korean)

02:45

遺伝子と突然変異 (MS-LS3-1, Japanese)

02:08

Gènes et mutations (MS-LS3-1, French)

01:48

基因和突变 (MS-LS3-1, Chinese)

02:04

Genes and Mutations (MS-LS3-1, English)

02:48

مقياس الزمن الجيولوجي (MS-ESS1-4, Arabic)

01:38

地质年标 (MS-ESS1-4, Chinese)

02:19

Шкала геологічного часу (MS-ESS1-4, Ukrainian)

02:19

Jeolojik Zaman Ölçeği (MS-ESS1-4, Turkish)

02:32

Qiyaasta Waqtiga Juquraafiga (MS-ESS1-4, Somali)

02:19

भूगर्भिक समय पैमाना (MS-ESS1-4, Hindi)

02:19

Escala de tiempo geológico (MS-ESS1-4, Spanish)

02:20

Escala de Tempo Geológico (MS-ESS1-4, Portuguese)

01:35

태양계 (MS-ESS1-3, Korean)

02:19

지질학적 시간 척도 (MS-ESS1-4, Korean)

02:21

地質学的時間スケール (MS-ESS1-4, Japanese)

01:54

Échelle de temps géologique (MS-ESS1-4, French)

01:35

Сонячна система (MS-ESS1-3, Ukrainian)

01:32

Güneş Sistemi (MS-ESS1-3, Turkish)

01:52

Nidaamka Qorraxda (MS-ESS1-3, Somali)