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Hi, Juanpis! ๐ฆ
Today you are a super scientist! We will learn about light, shadows and magnets... and then we play! ๐
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Learn
See the examples step by step
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Practice
Quick try-its while you learn
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Play!
Questions, points and confetti ๐
Made with love for Juanpa ๐ฆ๐ฆธ ยท Liceo de Colombia Bilingรผe
๐ UD 2 ยท Light, Shadow & Magnets
๐ก Transparent, Translucent & Opaque
Light passes through some objects, but not through others. Look:
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Transparent
ALL light passes. You see clearly.
๐ถ๏ธ
Translucent
SOME light passes. You see blurry.
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Opaque
NO light passes. You see nothing.
โ๏ธ Try it: A ceramic mug โ is...
๐ Shadows
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A shadow appears when an object blocks the light. Opaque objects make shadows.
๐โก๏ธ๐งธ If the light is CLOSE to the object โ the shadow is BIGGER.
๐งธ ๐ If the light is FAR from the object โ the shadow is SMALLER.
โญ
Easy trick: close to the light = big shadow ๐ฆ
โ๏ธ Try it: You move your hand close to the lamp. The shadow gets...
๐งฒ Magnets: types and poles
Magnets come in different shapes:
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Ring magnet
Like a donut
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Horseshoe magnet
U shape
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Bar magnet
Long and straight
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Every magnet has two ends called POLES:
N = North pole
S = South pole
โ๏ธ Try it: The letter N on a magnet is the...
๐งฒ Attract, Repel & Materials
๐ฆN โ S๐ฅ DIFFERENT poles (N and S) โ they ATTRACT (come together) ๐ค
๐ฅN โ N๐ฅ SAME poles (N-N or S-S) โ they REPEL (push apart) ๐จ
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A magnet attracts things made of metal/iron (key ๐, paperclip ๐, spoon ๐ฅ).
It does NOT attract plastic ๐งธ, wood ๐ชต, paper ๐, or rocks ๐ชจ.
It does NOT attract plastic ๐งธ, wood ๐ชต, paper ๐, or rocks ๐ชจ.
โ๏ธ Try it: A north pole and a south pole together...
Ready, Juanpa! ๐ฆ
Pick your mode. In both you only ADD points!
๐ฑ
Easy
No timer, take your time. You get a HINT button ๐ก
โญ Chill
โก
Normal
25 seconds per question. You can do it, super hero! ๐ฆธ
โญโญ Soft challenge
๐ฎ Easy
โญ 0 pts
๐ 0%
โฑ --
๐ 0/0