Google Classroom

GeoGebra Classroom

2 - Optics

Author: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?

Select all that apply

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

Check my answer (3)

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

Select all that apply

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

Check my answer (3)

What happens if you use two light sources?

Select all that apply

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

Check my answer (3)

quiz question interactive Classroom activity Logifaces

New Resources

Discover Resources

Discover Topics