結果 : why is a leaf changing color a chemical change
2:02

The Real Reason Leaves Change Color In the Fall

MinuteEarth
1,377,277 回視聴 - 9 年前
4:22

Chemistry of Changing Leaves

NBC News Learn
9,302 回視聴 - 4 年前
3:22

Why Do Leaves Change Colors in the Fall? | Biology for Kids | SciShow Kids

SciShow Kids
1,619,120 回視聴 - 9 年前
2:10

Why Do Leaves Change Color?

Reactions
88,968 回視聴 - 10 年前
4:24

Leaf Color Chromatography - Bite Sci-zed

Alex Dainis
406,571 回視聴 - 12 年前
1:01

What makes leaves change colors?

NASA Video
574 回視聴 - 11 年前
1:18

SCIENCE BEHIND: Fall foliage, changing of leaf color

13News Now
1,176 回視聴 - 5 年前
1:13

Changing Leaves, Physical or Chemical Change?

Eclectic By Nature Films
905 回視聴 - 9 年前
2:04

Physical Vs Chemical Changes | Yellowing of Leaves

ExperiHub
2,227 回視聴 - 2 年前

-
4:18

Fall Into Science: Uncovering the Secret of Changing Leaf Colours

Scientists in School
937 回視聴 - 2 か月前
2:21

The Chemistry of Leaves Changing Color - Tyler F.

Science is Life
991 回視聴 - 7 年前
7:14

There's One Thing About Fall Colors Scientists Can't Explain

PBS Terra
54,770 回視聴 - 4 年前
6:30

Why Do Some Leaves Change Color?

funsciencedemos
147,762 回視聴 - 9 年前
26:43

The Incredible Biology Powering Autumn Colors｜Leaf Senescence

Clockwork
72,361 回視聴 - 2 か月前
2:10

Why Do Leaves Change Color? The Science Of Fall Foliage | Mach | NBC News

NBC News
9,162 回視聴 - 5 年前
2:30

Why Do Autumn Leaves Change Color? - Instant Egghead #51

Scientific American
98,396 回視聴 - 11 年前
3:39

Why Do Leaves Change Color? What Makes the Leaves Fall? FreeSchool

Free School
340,857 回視聴 - 9 年前
2:51

Physical VS Chemical Changes (Science Class)

GirlAnime21
1,733 回視聴 - 12 年前
2:02

SCIENCE BEHIND: The colors of the fall leaves

13News Now
883 回視聴 - 5 年前
8:47

Why do leaves change color and get shed before winter? | Leaf cycle of deciduous trees

Nature Clearly
6,780 回視聴 - 2 年前