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SciShow
How to make snow
• Questions• 1. Making snow is basically what type of
exchange?• 2. How does water cool?• 3. What do snow makers need?• SciShow --- How to make snow
How to make snow
• Answers:• 1.A heat exchange• 2. By evaporating into water vapor• 3. Low air temperature and low humidity
Onions, Emotions, and Why We Cry
• Questions• 1. How many different types of tears do
humans have?• 2. Reflex tears are a defense against _______.• 3. Emotional crying is a good form of
______________.• SciShow --- Onions, Emotions, and Why We Cr
y
Onions, Emotions, and Why We Cry
• Answers• 1. 3• 2. Irritants• 3. Communication
The First Volcano Power Plant
• Questions• 1. _____% of energy in Iceland comes from
geothermal sources.• 2. When drilling for geothermal energy, hitting
_______ was considered a bad thing.• 3. Geothermal energy comes from the
_______.• SciShow --- The 1st Volcano Power Plant
The First Volcano Power Plant
• Answers:• 1. 30%• 2. Magma • 3. The Earth
The Terrifying Truth About Bananas
• Questions• 1. The banana is the #____ selling item at Wal-
Mart.• 2. The seeds in bananas that we eat are not
________.• 3. The Gros Michel banana was virtually
destroyed by the ___________.• The Terryfing Truth About Bananas
The Terrifying Truth About Bananas
• Answers• 1. #1• 2. fertile• 3. Panama Disease
Gold: The Big Bling
• Questions:• 1. Gold is resistant to _______.• 2. What is fusion? • 3. At ant one moment on Earth, there is only
30 grams of_________.• The SciShow --- Gold: The Big Bling
Gold: The Big Bling
• Answers• 1. tarnish• 2. 2 atoms smash together to form an atom of
a new bigger element• 3. Astatine
Helium
• Questions• 1. Helium is the ___ most abundant element in
the universe.• 2. There is ___ atoms of helium in the
atmosphere for every 1,000,000 atoms of atmoshpere.
• 3. The USA has a helium reserve in which state?• SciShow --- Helium
Helium
• Answers• 1. 2nd
• 2. 5• 3. Texas
Caffeine!!!
• Questions• 1. Caffeine is a bitter _________.• 2. Caffeine tricks your brain into thinking that it
is ________.• 3. How long does it take caffeine to peak in your
blood stream?• 4. Does caffeine meet the scientific definition of
an addictive substance?• SciShow --- Caffeine
Caffeine!!!
• Answers• 1. white powder• 2. not tired• 3. 30 minutes• 4. no
Microscope: The Tube That Changed the World
• Questions• 1. The first real microscope could magnify up
to _______ times.• 2. _________ is generally credited with
discovering cells.• 3. The ____________ microscope can show
things down to the atomic level.• SciShow: Microscope: The Tube That Changed
The World
Microscope: The Tube That Changed The World
• Answers• 1. 9 • 2. Robert Hooke• 3. Scanning Tunnelling
Who melted the Earth
• Questions• 1. Before the Earth was formed, it was an
___________.• 2. The Earth’s crust actually forms a nice layer
of ____________.• SciShow: Who melted the Earth
Who melted the Earth
• Answers• 1. Asteroid Belt• 2. Insulation
Laser Fusion – Is It Back to the Future Yet?
• Questions• 1. __________ is also known as energy
surplus.• 2. _________ is the beginning of a chain
reaction.• 3. What is ignition? • SciShow --- Laser Fusion -- Is It Back to the Fut
ure Yet?
Laser Fusion – Is It Back to the Future Yet?
• Answers:• 1. Fuel Gain• 2. Boot Strapping• 3. Fusion created enough energy to fuse the
rest of the fuel (hydrogen)
Dark Matter
• Questions• 1. Dark matter does not ______ or ______
light.• 2. Dark matter makes up ____% of the
universe.• 3. The ___________ gives particles mass when
they interact with the field.• SciShow --- Dark Matter
Dark Matter
• Answers:• 1. Omit and Absorb• 2. 23%• 3. Higgs Field
The Search For Antimatter
• Questions:• 1. Positron is just like an electron except that it
has a _____________.• 2. Nothing in the universe ever disappears,
this is the law of ____________.• 3. ________ is a term physicist use to describe
the various states that a particle can exist in.• SciShow --- The Search For Antimatter
The Search For Antimatter
• Answers• 1. Positive Charge• 2. Conservation of Mass• 3. Flavors
Dark Energy
• Questions• 1. Our universe is constantly _______.• 2. _________ tries to pull everything in the
universe back together.• 3. Dark Energy makes up _______% of the
energy in the universe.• SciShow --- Dark Energy
Dark Energy
• Answers• 1. Expanding• 2. Gravity• 3. 70%
Why Does Saturn Have Rings?
• Questions• 1. How many planets in our solar system have
rings?• 2. Most moons of the gas giants are outside
the __________.• 3. The rings of Jupiter are mostly ________.• SciShow -- Why Does Saturn Have Rings?
Why Does Saturn Have Rings
• Answers:• 1. 4• 2. Roche Limits• 3. Dust
Why Do Feet Smell Like Doritos?
• Questions• 1. Odor comes from _______.• 2. When does odor start to smell?• 3. People who exercise regularly lose fewer
______ in their sweat.• SciShow --- Why Do Feet Smell Like Doritos?
Why Do Feet Smell Like Doritos?
• Answers:• 1. Sweat• 2. When it comes into contact with bacteria
from your skin• 3. Amino Acids
What’s the oldest tree in the world?
• Questions• 1. A pine tree in _______ is over 5,000 years old.• 2. The average rainfall in the White Mountains
of California is less than ___ cm per year.• 3. ______ is a type of limestone.• 4. _______ is used to tell the age of a tree.• 5. ________ is the world’s heaviest living
organism.• SciShow --- What's the oldest tree in the world?
What’s the oldest tree in the world?
• Answers• 1. California• 2. 30• 3. Dolomite• 4. Crossdating• 5. Pondo
SciShow: Why Do Bug Bites Itch?
• Questions:• 1. Ant bites can contain a venom called
______.• 2. Mosquitoes have ____ different mouth
parts.• 3. ________ is a protein that helps fight
foreign invaders.• SciShow: Why Do Bug Bites Itch?
SciShow: Why Do Bug Bites Itch?
• Answers:• 1. Formic Acid• 2. 6• 3. Histamine • SciShow: Why Do Bug Bites Itch?
SciShow: How Does Tape Work?
• Questions:• 1. ________ has both the properties of a
liquid and a solid.• 2. Whatever you stick tape to is called the
_________.• 3. When you peel tape off you break the
___________________________.• SciShow: How Does Tape Work?
SciShow: How Does Tape Work?
• Answers:• 1. Viscoelastic• 2. Substrate• 3. Van Der Waals Bonds
SciShow: 3 Extreme Climate Fixes
• Questions• 1. ________ clouds can act as insulation.• 2.___________ can bounce solar energy back
into space.• 3. _______________ in oceans are places
where fish can’t survive.• SciShow: 3 Extreme Climate Fixes
SciShow: 3 Extreme Climate Fixes
• Answers• 1. Cirrus• 2. Cloud Whitening• 3. Dead Zones
SciShow: Why Does Ice Float
• Questions• 1. If Ice did not float, how would a river
freeze?• 2. Ice is less _______ than water.• 3. Oxygen attracts electrons more strongly
than __________.• 4. Ice has ________.• SciShow: Why Does Ice Float?
SciShow: Why Does Ice Float?
• Answers• 1. From the bottom to the top• 2. Dense• 3. Hydrogen• 4. Holes
SciShow: Kids and Sugar
• Questions• 1. How much evidence is there that sugar
intake makes healthy people more active?• 2. There is no link between sugar intake and
__________ in children.• 3. Sugar is metabolized almost immediately
unless you have ______.• SciShow: Sugar and Kids
SciShow: Sugar and Kids
• Answers• 1. None• 2. Hyperactivity• 3. Diabetes
SciShow: Your Brain is Plastic
• Questions• 1.___ years ago, scientist believed that your
brain could not learn anymore in adulthood.• 2. The process of learning alters the ________
of our brain.• 3. ____________ is basically our brain growing
in response to new conditions.• 4. The key to learning is ________.• SciShow: Your Brain is Plastic
SciShow: Your Brain is Plastic
• Answers:• 1. 20• 2. Structure• 3. Neural Plasticity • 4. Memory
SciShow: Anxiety Hurts
• Questions:• 1. The sympathetic nervous system is in
charge of the ____________ response.• 2. The Parasympathetic Nervous System
creates a ________ response.• 3. _______ means a balance.• 4. Chronic anxiety hurts or destroys _____.• SciShow: Anxiety Hurts
SciShow: Anxiety Hurts
• Answers:• 1. Fight or Flight Response• 2. Relaxed• 3. Homeostasis• 4. Cells
SciShow: Can We Get to Alpha Centauri?
• Questions• 1. What is our closest inter galactic member?• 2. How many stars are in Alpha Centauri?• 3. Alpha Centauri is ___ light years away.• 4. If a space ship was traveling 62,000 km per
hour, how long would it take to reach Alpha Centauri?
• SciShow: Can We Get to Alpha Centauri
SciShow: Can We Get to Alpha Centauri?
• Answers• 1. Alpha Centauri• 2. 3• 3. 4.3• 4. 70,000 Years
SciShow: What happens if you get struck by lightning
• Questions• 1. What is the chance that you will get struck by
lightning in your lifetime?• 2. How many types of lightning strikes exist?• 3. Lightning can heat the air around it to _____
degrees Celsius.• 4. Roy Sullivan was struck by lightning ___
times.• SciShow: What Happens if Your Struck by Lightni
ng
SciShow: What happens if you get struck by lightning
• Answers:• 1. 1 in 3,000• 2. 2• 3. 27,700• 4. 7
SciShow: Why do we make glowing rats?
• Questions:• 1. Glowing rats actually ____________ under
UV lights.• 2. Why do scientist make rats glow?• SciShow: Why do we make rats glow?
SciShow: Why do we make glowing rats?
• Answers• 1. fluoresce • 2. to see if the DNA they injected the rat with
got injected
SciShow: Oxygen is KILLING You!
• Questions• 1. Earth is about ____ oxygen.• 2. _________ is how we turn food we eat into
energy we need.• 3. Oxygen has been around ______ years.• 4. A _______ is when oxygen does not bond
correctly.• 5. _________ are molecules that inhibit oxidation.• SciShow: Oxygen is KILLING You!
SciShow: Oxygen is KILLING You!
• Answers• 1. 20%• 2. Cellular Respiration• 3. 2.2 billion• 4. Free radical• 5. Antioxidants
SciShow: Exotic Chemistry
• Questions• 1. Water found in Canada is at least ___ billion
years old.• 2. Water goes through the _____ cycle.• 3. __________ is the rarest naturally occurring
element on Earth.• 4. Targeted Alpha Therapy may be used to kill
__________.• SciShow: Exotic Chemistry
SciShow: Exotic Chemistry
• Answers• 1. 1.5• 2. Hydrological • 3. Astatine • 4. cancer cells
SciShow: Migraines: Not Just Another Headache
• Questions• 1. A migraine is a multi-symptom disorder of the
____________.• 2. ______ is a visual disturbance. • 3. Migraines and ___ have a lot of the same
symptoms.• 4. Migraines might be caused by a severe drop
in your brain’s ______.• SciShow: Migraines: Not just another headache
SciShow: Migraines: Not just another headache
• Answers• 1. central nervous system• 2. aura• 3. strokes• 4. serotonin
SciShow: Asteroids to watch out for
• Questions:• 1. Asteroids are ranked on a scale from 1 to _____.• 2. The highest ever rating was given to asteroid
_______.• 3. Asteroid 2011 AGS has a 1 in ____ chance of
hitting earth.• 4. Asteroid 1950 DA has a 1 in 300 chance to hit
earth in the year ____.• SciShow: Asteroids to watch for
SciShow: Asteroids to Watch for
• Answers:• 1. 10• 2. 2004 MN4• 3. 500• 4. 2880
SciShow: Asteroid Fly-by
• Questions:• 1. The Circumstellar Habitable Zone is the place
scientist look to find ___________________________.
• 2. 1 AU is the distance from the _______ to the sun.
• 3. Scientist have discovered nearly _______ planets.
• SciShow: Asteroid Fly-by
SciShow: Asteroid Fly-by
• Answers• 1. Extraterrestrial life• 2. Earth• 3. 800
SciShow: The Human Genome Project
• Questions:• 1. Humans have less than ________ protein
coding genes.• 2. A water flea has _______ protein coding
genes.• 3. A lot of human DNA came from _______.• SciShow: The Human Genome Project
SciShow: The Human Genome Project
• Answers:• 1. 30,000• 2. 31,000• 3. Viruses
SciShow: Fun With Potatoes and Physics
• Questions:• 1. ________ uses the potential energy of gas to do
work.• 2. Gases are _____.• 3. _________ says if pressure is increased at one spot
in a fluid, the pressure in the rest of the fluid will increase.
• 4. _________ means that if one goes up, the other must come down.
• SciShow: Fun With Potatoes and Physics
SciShow: Fun With Potatoes and Physics
• Answers:• 1. Pneumatics • 2. fluids• 3. Pascal’s Law• 4. Inverse
SciShow: Déjà Vu
• Questions• 1. The French word Presque Vu means ______.• 2. The ______ helps process memory data.• 3. The __________ helps with short and long
term memory.• 4. Most children do not experience déjà vu
until ___ or ____ years of age.• SciShow: Deja Vu
SciShow: Déjà Vu
• Answers:• 1. almost seen• 2. temporal lobe • 3. hippocampus• 4. 8 or 9
SciShow: Why Does Swiss Cheese Have Holes?
• Questions:• 1. All cheese is the product of _______.• 2. ________ is the sugar found in milk.• 3. What gas gets trapped in cheese?• 4. Who regulates the size of the holes in Swiss
Cheese? • SciShow: Why Does Swiss Cheese Have Holes?
SciShow: Why Does Swiss Cheese Have Holes?
• Answers:• 1. fermentation• 2. Lactose• 3. Carbon Dioxide• 4. The FDA
SciShow: Why Aren’t There Giant Insects
• Questions:• 1. Insects _____ in a different way than
humans.• 2. The tiny holes that insects use for breathing
is called ______.• 3. In the late Paleozoic Era, oxygen levels were
about ____%• SciShow: Why Aren't There Giant Insects?
SciShow: Why Aren’t There Giant Insects
• Answers:• 1. breath• 2. tracheoles• 3. 32
SciShow: Can You Really Be Scared To Death?
• Questions• 1._________________ is a sudden heart related
failure caused by fear.• 2. The Adrenal glands are located on top of your
_________.• 3. __________ syndrome is the western term
for when you die from an irregular shaped heart.
• SciShow: Can You Really Be Scared To Death?
SciShow: Can You Really Be Scared To Death?
• Answers• 1. Stress Cardiomyopathy • 2. Kidneys• 3. Broken Heart
SciShow: Why Do Zebras Have Stripes?
• Questions:• 1. What do Zebras live in?• 2. What is the effect called when a wheel hits
a certain speed and it appears to turn backwards?
• 3. Striping may ward off ________.• 4. No two Zebra’s striped are the _______.• SciShow: Why Do Zebras Have Stripes?
SciShow: Why Do Zebras Have Stripes?
• Answers• 1. Herds• 2. Wagon-Wheel Effect• 3. Biting Insects• 4. Same
SciShow: The Math and Mystery of Murmurations
• Questions:• 1. A starling group is a _________.• 2. A ______________ means a large group
diminishes the chance that an individual is attacked.
• 3. Starlings really move in groups of _______.• SciShow: The Math and Mystery of
Murmurations
SciShow: The Math and Mystery of Murmurations
• Answers:• 1. Murmuration • 2. Selfish Herd• 3. 7
SciShow: Absolute Zero: Absolute Awesome
• Questions:• 1. Absolute zero is -______ degrees Celsius. • 2. _______ said heat is just molecules moving
around in a substance.• 3. Absolute zero does not mean a complete
absence of _____ in a substance.• 4. The universe is ____ degrees Kelvin.• SciShow: Absolute Zero: Absolute Awesome
SciShow: Absolute Zero: Absolute Awesome
• Answers:• 1. 273.15• 2. William Thomson• 3. motion• 4. 2.7
SciShow: Why No Giant Mammals?
• Questions:• 1. The dinosaur Amphicoelias Fragillimus
weighed ___ metric tons.• 2. When did most of the dinosaurs disappear?• 3. How long are elephants pregnant?• 4. Mammals are _________, or warm
blooded.• SciShow: Why No Giant Mammals
SciShow: Why No Giant Mammals?
• Answers• 1. 122• 2. 65 Million years ago• 3. 2 years• 4. endothermic
SciShow: How Birds Really See The World?
• Questions:• 1. What type of light can birds see? • 2. The _______ is the spot in the retina with
the highest resolution.• 3. Birds with 2 foveas have eyes that can zoom
on things _____ and far.• SciShow: How Birds Really See The World
SciShow: How Birds Really See The World
• Answers:• 1. Ultraviolet light • 2. Fovea• 3. Near
SciShow: Darwin’s Darlings
• Questions• 1. A _______ plant captures and digestes insects.• 2. Most plants get ____________ through their
roots.• 3. A Venus Flytrap can take up to ___ days to digest
its meal.• 4. _________ evolution is where unrelated
organisms develop similar traits in response to their environments.
• SciShow: Darwin's Darlings
SciShow: Darwin’s Darlings
• Answers:• 1. Carnivorous• 2. nitrogen • 3. 10• 4. Convergent
SciShow: Why are there righties and lefties?
• Questions:• 1. _____ of the last 7 Presidents have been left
handed.• 2. The ________ hemisphere controls
movements on the left side.• 3. Lefties may inherit a lack of neurological
bias. • SciShow: Why are there righties and lefties?
SciShow: Why are there righties and lefties?
• Answers:• 1. 5• 2. right• 3. neurological
SciShow: Why do tornadoes hate America?
• Questions:• 1. How many continents have recorded a tornado?• 2. Between 65 and ____% of tornadoes occur in
the USA.• 3. The _________ supplies warm, moist air to the
United States.• 4. Most tornadoes are a product of ______
thunderstorms.• SciShow: Why do tornadoes hate America?
SciShow: Why do tornadoes hate America?
• Answers:• 1. 6• 2. 80• 3. Gulf of Mexico• 4. supercell