Unit 1 Lesson 1 & 2 Quiz--Can You Believe Your Eyes?

Something that deceives the eye by appearing to be other than it is is an _____________________.

• evidence

• object

• optical illusion

The light-detecting organ of many animals is the ______________.

• eye

• object

• model

• source

A representation of an object or an event that is used as a tool for understanding the natural world is called a model.

• true

• false

Light travels in a ______________line in the form of waves through the air.

• crooked

• wavy

• straight

What happens when light strikes an object?

• Light is reflected.

• Light is absorbed.

• Light is refracted.

• All of the above.

This type of surface reflects a lot of light.

• shiny

• dull

• rough

Plastic wrap and clear glass that let all light pass through are _______________.

• translucent

• transparent

• opaque

Objects like wax paper and stained glass windows that only allow some light to pass through are ________________.

• translucent

• transparent

• opaque

Objects like aluminum foil and mirrors that do not allow light to pass through are _______________.

• transparent

• translucent

• opaque

John and Justin are playing hide and seek at home. From the back of a room John says he can see Justin around the corner in the next room. Which of the following are possible explanations? (Make sure you read ALL answer choices before you select your answer.)

• John is lying and he really cannot see Justin because the wall is blocking his view.

• John can see Justin because the light is able to bend around the corner into John’s eyes.

• John can see Justin because there is a reflective surface that is allowing him to see Justin’s position.

• Both A and C could be correct.