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100

What is a light source?

An object that produces light

100

What does it mean when light transmits?

Light passes through a material.

100

Spain defeated this country 1-0 in the 2026 FIFA World Cup final

Argentina

100

What is an opaque material?

A material that does not transmit light.

100

Which part of the eye carries electrical signals to the brain?

The optic nerve

200

Why can you see a book even though the book is not a light source?

Light reflects off the book and enters your eyes.

200

What effect does silvering have on glass?

It makes the mirror opaque and reflective

200

Why can a one-way mirror both reflect and transmit light in approximately equal amounts?

Because it is half-silvered

200

When Kai Cenat mined lapis lazuli, what did IShowSpeed think he mined?

diamonds

200

When several sensory inputs are present, which one does the brain tend to notice most?

The one that stands out the most.

300

A lamp shines on a basketball. Explain how a student sees the basketball.

Light travels from the lamp, reflects off the basketball, and enters the student’s eyes.

300

Light A measures 120 lux and Light B measures 900 lux. Which is brighter?

Light B

300

How is a one-way mirror structurally different from a regular mirror?

It has a thinner metal layer called half-silvering.

300

What is the name of the Taylor Swift album that dropped last week?

The Life of a Showgirl: The Encore

300

Put these parts in order to explain how we see: retina, pupil, brain, lens, optic nerve.

Pupil → lens → retina → optic nerve → brain

400

One person is in a bright room and another is in a dark room with a one-way mirror between them. What will the person on the bright side mainly see?

Their reflection

400

A magnifying glass bends light as it transmits through. What process is occurring?

refraction

400

How many members are in the Saja Boys?

five

400

If the bright and dark sides of a one way mirror switch lighting, what happens to the one-way mirror effect?

It reverses

400

A boy is looking at an book in a dark room. Why can’t he see it?

No light is available to reflect off the book and enter the boy's eyes

500

What was the final score of Game 5 when the New York Knicks defeated the San Antonio Spurs to win the 2026 NBA championship?

94–90

500

A student says, “A one-way mirror has a mirror side and a window side.” Explain what is wrong with this statement.

Both sides can reflect and transmit light; the lighting conditions determine what each person mainly sees

500

A bedroom window looks like a mirror at night but not as much during the day. What changed: the window or the lighting conditions? Explain.

The lighting conditions changed; the window stayed the same.

500

Put all of the words in order to explain how a person in a room with a lamp can see a book: 

book, brain, electrical signal, eye, lamp, lens, optic nerve, pupil, retina

Lamp → book → eye → pupil → lens → retina → electrical signal → optic nerve → brain

500

Why is half-silvering essential for the one-way mirror to have its effect?

Half-silvering allows both reflection and transmission