Can I Believe My Eyes? IQWST Grade 6 Unit 1 Assessment

Front

Is John cheating, or can he see around the corner?

Back

John is cheating. The light that hits Justin needs an unblocked straight path to John’s eyes in order for him to see Justin. The corner blocks the straight path of light.

Front

How are you able to see the backpack in the dark using a flashlight?

Back

Light bounces off the backpack in all directions.

Front

How does the light reach your eye?

Back

Some of the light travels from the backpack to your eye, allowing you to see.

Front

How does the pupil help you see?

Back

It changes size to let in enough light to see.

Front

What cells in the retina help you see color?

Back

cones

Front

What cells in the retina help you see in low light but do not see color?

Back

rods

Front

What sends the information you see to your brain? Options: retina, iris, optic nerve, cornea

Back

optic nerve

Front

In the following picture, how does the house make a shadow? Options: The house blocks all the sunlight from reaching the ground. The house blocks the sunlight creating a shadow on the ground where no sunlight reaches. The light only reaches the area surrounding the shadow. Houses always make shadows whether there is a source of light or not.

Back

The house blocks the sunlight creating a shadow on the ground where no sunlight reaches. The light only reaches the area surrounding the shadow.

Front

What is one thing wrong with the picture?

Back

The shadow is not the correct shape.

Front

Why is the shadow on the wrong side of the person in the picture?

Back

The shadow is going toward the light source.