Sources of light | Middle School Science | Khan Academy
5:43
YouTubeKhan Academy India - English
Sources of light | Middle School Science | Khan Academy
Why does the Moon shine if it’s not a source of light? Why does Earth look like it’s glowing in the famous Pale Blue Dot photo? In this video, we explore the fascinating world of sources of light, and discover the difference between luminous and non-luminous objects. From the blazing Sun and twinkling stars to fireflies, glow sticks, and ...
已浏览 4 次15 小时之前
短视频
Introduction to light | What is light ? Physics
4:13
已浏览 7.2万 次
Introduction to light | What is light ? Physics
Najam Academy
Light for Kids | Where does light come from? Learn all about light in this fun introduction video.
7:49
已浏览 53.6万 次
Light for Kids | Where does light come from? Learn all about light in this fun
Learn Bright
Gas stove How to Use
How to use a gas oven (pre-heating a gas stove - instructions)
2:54
How to use a gas oven (pre-heating a gas stove - instructions)
YouTubeMegaSafetyFirst
已浏览 1.6万 次2023年6月12日
HOW TO USE A GAS OVEN | Tips On Using a Gas Oven For Everyday Baking
6:38
HOW TO USE A GAS OVEN | Tips On Using a Gas Oven For Everyday Baking
YouTubedishdelishafrica
已浏览 10.9万 次2023年1月11日
HOW-TO: TURN ON A GAS STOVE
3:07
HOW-TO: TURN ON A GAS STOVE
YouTubeEasy To Do - How-To
已浏览 22.8万 次2018年2月11日
热门视频
What is Light - Physics (Simple Explanation)
2:49
What is Light - Physics (Simple Explanation)
YouTubeThe Real Physics
已浏览 56万 次2017年5月4日
Introduction To Light | Properties of Light | Introduction to Light | properties of light | letstute
11:26
Introduction To Light | Properties of Light | Introduction to Light | properties of light | letstute
YouTubeLet'stute
已浏览 73.4万 次2016年2月2日
What is LIGHT? 💡 Science for kids 🧪 Compilation
6:20
What is LIGHT? 💡 Science for kids 🧪 Compilation
YouTubeSmile and Learn - English
已浏览 44.2万 次2022年11月29日
Gas stove Cleaning Tips
How to Clean a Gas Range Stovetop
5:19
How to Clean a Gas Range Stovetop
YouTubeGoCleanCo
已浏览 9.8万 次2023年3月10日
Expert TIPS for Cleaning a GAS STOVETOP!
10:41
Expert TIPS for Cleaning a GAS STOVETOP!
YouTubeClean My Space
已浏览 7115 次5 个月之前
Keep Your Gas Stove Spotless With These Easy Steps
5:06
Keep Your Gas Stove Spotless With These Easy Steps
YouTubeCleaning Made Easy
已浏览 1793 次6 个月之前