Google Classroom

Classe GeoGebra

2 - Optics

Auteur :Project_Logifaces

Grades 5 - 8 Duration: 20 min Tools: one 9 pcs Set / 1 to 4 students Individual / Pair / Group work Keywords: Light, Shadow

Optics

PHYSICS

__________________________________________________________________________________________________________________________________________DESCRIPTION 1. Examine the shadow of a point light source (e.g. phone torch) 2. Examine the shadow of an extended light source (e.g. 2 phone torches)

Optics - Teacher

Optics - Students

Optics Quiz

What happens if you place the light source closer to the object?

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A
the shadow becomes bigger
B
the shadow becomes smaller
C
the shadow keeps its size

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What happens if you place the object closer to the projection surface?

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A
the shadow becomes bigger
B
the shadow becomes smaller
C
the shadow keeps its size

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What happens if you use two light sources?

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A
we get overlapping shadows with a darker core shadow
B
we get a lighter shadow
C
we get a darker shadow

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