
Weird Science Facts
Authored by kevin core
Science
Professional Development
NGSS covered
Used 4+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
Why is California's soil so fertile for farming?
All the cool people that live there emit a super cool-field.
Obvi it's cause of Pangea and the Pacific ocean leaving mineral deposits
Eons of erosion and a balmy climate
Giant trees falling over or something
Answer explanation
Eons of erosion and a Mediterranean climate!
Farming is concentrated in the fertile Central Valley, which is surrounded by over 1,000 miles of nearly continuous mountain ranges. Eons of erosion from the adjoining mountains deposited rich sediment to create deep topsoil and prime farmland.
Tags
NGSS.MS-ESS2-2
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
How is tap water filtered?
Coagulation and Flocculation
Sedimentation
Filteration
Disinfection
Answer explanation
Its all of them!
1. Coagulation and flocculation - Chemicals are added to the water. They bind with the dirt and dissolved particles, forming larger particles called floc.
2. Sedimentation - The floc is heavy, so it settles to the bottom of the tank.
3. Filtration - The clear water on top passes through filters composed of sand, gravel and charcoal to remove dissolved particles such as dust, parasites, bacteria, viruses and chemicals.
4. Disinfection - Chlorine or chloramine is added to kill parasites, bacteria, viruses and germs. Fluorine is added to prevent tooth decay.
Tags
NGSS.MS-PS1-2
3.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
If atoms are mostly empty space, why don't we just fall through the floor?
This is giving me existential dread and I don't like it...
Proton repulsion
Electron repulsion
Atoms are made of quarks and quarks don't get along.
Answer explanation
Electron Repulsion!
When you push against anything, the electrons in your hand and the object get compressed into high-energy states. Like two magnets pushed together, they repel each other but only when they are incredibly close together.
Tags
NGSS.MS-PS1-1
NGSS.MS-PS2-4
NGSS.MS-PS2-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does air conditioning work?
Trapped fairies blow on the air inside of the metal box outside.
Meh, it works the same way my refrigerator works.
My thermostat whispers coolness into the wind.
Fans blow really hard and it cools the air.
Answer explanation
It works the same way your refrigerator does!
Outside air goes through a filter and is cooled over the evaporator. Then a blower moves that air around the evaporator and your house. Meanwhile, outside, the heated refrigerant is cooled off by the condenser which disperses the hot air with its own blower.
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-3
NGSS.MS-PS3-4
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What is spaghettification otherwise known as the noodle effect?
The noodling of an object caused by gravity.
The entanglement of my spaghetti in a bowl.
The elasticity of a pasta when boiled in water.
How I feel after a few too many drinks.
Answer explanation
Spaghettification is an actual scientific term for when an object gets stretched and thinned out due to immense gravitational tidal forces.
It is also what happens to me when gin and tonics are present...
Tags
NGSS.HS-PS2-4
6.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
Why does your microwave not fry your face when you stare at your food while its cooking?
My food would never hurt me...
Electro-static shielding
Front-facing atomic magnetism
Microwave magic
Answer explanation
Electro-static shielding!
The mesh you see on the window of every microwave has electric current running through it to create tiny forcefields that turn away the microwave radiation!
Tags
NGSS.MS-PS4-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a brain freeze?
My chillness factor exceeds 9000.
The roof of my mouth transmits coldness straight to my frontal cortex.
My brain gets cold, duh.
Blood vessels constrict because my Freezie is super cold.
Answer explanation
The blood vessels in the back of your throat that deliver blood directly to your brain get cold. The drop in temperature makes the vessels constrict and your brain gives you a warning signal (headache) to stop whatever you are doing.
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