Quiz about Can I Believe My Eyes? - Unit Review

Question 1

The act of paying close attention to the world

Accepted Answer

observation

Answer

data

Answer

phenomenon

Answer

compare

Question 2

When light bounces evenly off of a very smooth surface, it is called _________.

Accepted Answer

reflection

Answer

absorption

Answer

scattering

Question 3

A real-world event that occurs over and over again

Accepted Answer

phenomenon

Answer

science

Answer

data

Answer

model

Question 4

Tiny dots of light that create an image

Accepted Answer

pixels

Answer

optical illusion

Answer

pointillism

Answer

model

Question 5

Careful notes and/or measurements that are recorded while observing something

Accepted Answer

data

Answer

compare

Answer

model

Answer

observation

Question 6

A way to represent an idea, process, or system in order to describe, explain, or predict something

Accepted Answer

model

Answer

compare

Answer

science

Answer

consensus

Question 7

A style of painting that uses tiny dots

Accepted Answer

pointillism

Answer

pixels

Answer

optical illusion

Answer

observation

Question 8

When light bounces off of a rough surface, it is called ________.

Accepted Answer

scattering

Answer

absorption

Answer

reflection

Question 9

What is a transparent object?

Accepted Answer

An object that lets most or all light pass through it.

Answer

An object that lets no light pass through it.

Answer

An object that lets some light pass through it.

Question 10

Agreeing and combining ideas into one model

Accepted Answer

consensus model

Answer

observation

Answer

compare

Answer

science

Question 11

The process of smoothing the microscopic bumps and ridges on a surface is called _______________________.

Accepted Answer

polishing

Answer

reflection

Answer

scattering

Answer

transmission

Question 12

What is a translucent object?

Accepted Answer

An object that lets some light pass through it.

Answer

An object that lets no light pass through it.

Answer

An object that lets most or all light pass through it.

Question 13

What is an opaque object?

Accepted Answer

An object that lets no light pass through it.

Answer

An object that lets some light pass through it.

Answer

An object that lets most or all light pass through it.

Question 14

Thin plastic strands that transmit light are called:

Accepted Answer

optical fibers

Answer

glass tubules

Answer

cables

Answer

optical channels

Question 15

What is the name of the process in which light changes direction (bends) when it passes from one medium to another?

Accepted Answer

refraction

Answer

reflection

Answer

scattering

Answer

absorption

Question 16

What is the clear, outer layer of the eye that covers the iris and the pupil?

Accepted Answer

cornea

Answer

retina

Answer

lens

Answer

optic nerve

Question 17

What is the retina?

Accepted Answer

the lining at the back of the eyeball that contains rods and cones

Answer

the part of the eye that controls the amount of light that enters

Answer

the colored part of the eye

Answer

a bundle of nerves that sends messages to the brain.

Question 18

What is the colored part of the eye called?

Accepted Answer

the iris

Answer

the lens

Answer

the pupil

Answer

the cornea

Question 19

Which part of the eye helps you focus and see up close OR far away?

Accepted Answer

the lens

Answer

the iris

Answer

the pupil

Answer

the cornea

Question 20

A giant machine with fan blades inside that turn to generate electricity is called a ____________.

Accepted Answer

steam turbine

Answer

pinwheel

Answer

solar power tower

Answer

solar chimney

Question 21

The energy carried by the light from the sun is called ________________________.

Accepted Answer

Solar Energy

Answer

Reflection

Answer

Geothermal Energy

Answer

Electrical Energy

Question 22

When light reflects off of a mirror, the angle of incidence is equal to the angle of reflection.

Accepted Answer

True

Answer

False

Question 23

In bright lights, the pupils of a human's eyes get bigger (increase).

Accepted Answer

False

Answer

True

Question 24

Light can be used to generate steam which can generate electricity.

Accepted Answer

True

Answer

False

Question 25

Most of the electricity in the United States is produced by solar panels.

Accepted Answer

False

Answer

True

Question 26

Light from the sun can heat an object when it hits it.

Accepted Answer

True

Answer

False

Question 27

Optical illusions are images that trick and fool your brain.

Accepted Answer

True

Answer

False

Question 28

Making good observations, plus learning the science that goes with them, will help you explain things that happen in the world around you.

Accepted Answer

True

Answer

False

Question 29

Light always travels in straight lines (rays).

Accepted Answer

True

Answer

False

Question 30

Stars shine light in all directions.

Accepted Answer

True

Answer

False

Question 31

The sun moves around Earth.

Accepted Answer

False

Answer

True

Question 32

The moon is a light source.

Accepted Answer

False

Answer

True

Question 33

When using a light sensor, the lower the lux value, the brighter the light.

Accepted Answer

False

Answer

True

Question 34

Learning about the behavior of light can help you understand how cell phones, microwave ovens, computers, televisions, and satellites work.

Accepted Answer

True

Answer

False

Question 35

Which of the following is the fastest?

Accepted Answer

light

Answer

cheetah

Answer

solar sail

Answer

Usain Bolt

Question 36

What kind of path does light take?

Accepted Answer

It travels in a straight line until it hits something, goes through something or is absorbed by something.

Answer

It bounces off all objects.

Answer

It goes through all objects.

Answer

It curves around all objects.

Question 37

What is similar between an object and its shadow?

Accepted Answer

They are the same shape.

Answer

They are always the same size.

Answer

They are always the same color.

Answer

They are both 3-dimensional.

Question 38

What is a difference between an object and its shadow?

Accepted Answer

All of the above answers are correct.

Answer

They can be different colors.

Answer

They can be different sizes.

Answer

They can have different details.

Answer

None of the above answers are correct.

Question 39

What happens to a shadow when two light sources are shining on an object?

Accepted Answer

there are (2) shadows that get lighter and more blurry

Answer

there is (1) shadow that gets darker and smaller

Answer

there are (2) shadows that get clearer and brighter

Answer

there is (1) shadow that gets bigger and darker

Question 40

When does a new moon exist?

Accepted Answer

It happens when the moon is between the sun and Earth.

Answer

It happens when Earth is between the sun and the moon.

Answer

It happens when the moon is orbiting the sun.

Question 41

When does a full moon exist?

Accepted Answer

It happens when Earth is between the sun and the moon.

Answer

It happens when the moon is between the sun and Earth.

Answer

It happens when the moon is orbiting the sun.

Question 42

Which of the following objects would transmit the MOST light?

Accepted Answer

clear plastic bag

Answer

black construction paper

Answer

pink index card

Answer

aluminum foil

Question 43

When is a shadow formed?

Accepted Answer

when light from a source is blocked by an opaque object

Answer

when light from a source is transmitted through a transparent object

Answer

when light from a source is reflected off of a smooth surface

Question 44

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

Accepted Answer

gets larger

Answer

gets smaller

Answer

stays the same size

Question 45

Outside, when the sun is behind you, your shadow will be...

Accepted Answer

in front of you

Answer

behind you

Answer

on your side

Answer

not there

Question 46

Why can't you see stars during the day?

Accepted Answer

The sun's light is so bright that your eyes can't detect them.

Answer

The stars disappear.

Answer

The stars move to the other side of the Earth.

Answer

The sun's light is so weak that your eyes cannot detect them.

Question 47

Who was the scientist that tried to measure the speed of light?

Accepted Answer

Galileo

Answer

DaVinci

Answer

Copernicus

Answer

Newton

Question 48

How long does it take light to travel from the sun to the earth?

Accepted Answer

8 minutes

Answer

8 seconds

Answer

8 hours

Answer

8 days

Question 49

Which of the following is TRUE when light hits mirrored sunglasses?

Accepted Answer

The light is reflected, scattered, and transmitted.

Answer

The light is scattered and transmitted only.

Answer

The light is reflected and scattered only.

Answer

The light is reflected only.

Question 50

It is a sunny summer day and you are walking barefoot. You notice that the blacktop road is hotter than the concrete sidewalk. Why?

Accepted Answer

The blacktop road absorbs more sunlight than the concrete sidewalk.

Answer

The blacktop road reflects more sunlight than the concrete sidewalk.

Answer

The blacktop road absorbs less sunlight than the concrete sidewalk.

Question 51

What sort of image is projected through the cornea and the lens?

Accepted Answer

an upside-down image

Answer

a right-side up image

Answer

a sideways image

Answer

a reverse image

Question 52

The retina contains millions of light sensitive cells called cones that help us see colors. They are sensitive to the following colors:

Accepted Answer

red, green, and blue

Answer

orange, yellow, and blue

Answer

red, black, and purple

Answer

pink, green, and brown

Question 53

The retina contains millions of light sensitive cells called rods that ______________________________

Accepted Answer

all of the statements above are correct

Answer

see in black, white, and shades of gray

Answer

help us see the shape and form of an object

Answer

help us see in the dark

Answer

none of the statements above are correct

Question 54

What are the primary colors of light?

Accepted Answer

red, green, blue

Answer

red, yellow, blue

Answer

red, white, blue

Answer

red, orange, blue

Question 55

What amount of red, green, and blue light is necessary to make BLACK?

Accepted Answer

0% of red, green, and blue

Answer

100% of red, green, and blue

Answer

75% red, 50% green, and 25% blue

Answer

50% of red, green, and blue

Question 56

What amount of red, green, and blue light is necessary to make WHITE light?

Accepted Answer

100% of red, green, and blue

Answer

75% red, 50% green, and 25% blue

Answer

50% of red, green, and blue

Answer

0% of red, green, and blue

Question 57

When a green light and a red light are mixed by shining them together on a white screen, what will be the color of the light on the screen?

Accepted Answer

Yellow

Answer

Blue

Answer

Orange

Answer

Black

Question 58

Which of the following are true about scientific models?

Accepted Answer

All of the above are true.

Answer

It is possible to have multiple perspectives for the same phenomena.

Answer

Models can be changed or revised with new data or observations.

Answer

Models are used to communicate ideas for explanations or predictions.

Can I Believe My Eyes? - Unit Review

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