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結果 : easy science experiments for 7th graders
1:13

10 Fun 7th Grade Science Projects

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1:20

10 Fun Science Experiments For Kids

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WOW SCIENCE EXPERIMENTS you’ll really want to repeat

5-MINUTE MAGIC
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40 Science Experiments - Experiments You Can Do at Home Compilation by Inventor 101

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10:48

20 AMAZING SCIENCE EXPERIMENTS Compilation At Home

VisioNil
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1:21

Make a Lemon Volcano - Fun Science Experiment

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2:10

How salty is the sea? Try this easy science experiment at home!

Nanogirl - STEM activities for kids
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2:21

15 Best Science Projects - Our Scientists' Picks

Science Buddies
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1:39

Walking Water Experiment | STEM Activity

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4:52

Walking Water Science Experiments for Kids!!!

Ryan's World
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3:01

4 Sound Science Experiments for Kids

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1:45

10 Popular Physics Science Projects

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Science Max|FRICTION | SCIENCE Experiments

Science Max - 9 Story
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1:52

Fascinating Oil & Water Science Experiment for Kids

TheDadLab
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24:09

Top 5 Easy Science Experiments for kids to do at home with Ryan's World!

Ryan's World
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EASY SCIENCE EXPERIMENTS TO DO AT HOME

Fun Science
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1:11

Cornstarch and Water Experiment - Science Projects for Kids | Educational Videos by Mocomi

MocomiKids
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0:42

Balloon Popping Experiment | Simple Science Experiments for Children | Twinkl

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17:09

4 Amazing Science Experiments for a Day Inside | Compilation | SciShow Kids

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Coins and Paper Experiment - Science Projects for Kids | Educational Videos by Mocomi

MocomiKids
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