CIBME Lessons 1-5 Review

In order to see an object, light must bounce off an object and then enter our eyes. There also must be a clear/unblocked path

• True

• False

Arrows indicating where and how light travels should be included in a model explaining how we see an object

• True

• False

A shadow is seen by detecting that less light reached the eyes from it than from the area surrounding it.

• True

• False

A shadow is formed behind an object that blocks the path of light.

• True

• False

When the Sun is behind you, your shadow is...

• behind you

• at the side of you

• in front of you

• not there

When an object moves closer to a light source, its shadow...

• gets smaller

• changes shape

• stays the same size

• gets bigger

When an object blocks the path of light, what is formed?

• fog

• a problem

• a reflection

• a shadow

Which light source causes shadows in the outdoor environment?

• The Sun

• The House

• The Lightbulb

• The School

Shadows are longest during _______.

• morning and evening

• noon

• night

• in a very dark room

When the sun gets lower in the sky, shadows get______.

• shorter

• darker

• longer

• gone