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Science Summer Camp Presentation Slides Elementary School

2019 Summer Camp
How can you be a superhero?
Are you fast?
What makes you fast?
Newton’s 3rd Law
• Every action has an equal, opposite
• Potential Energy
• Kinetic Energy
• Potential energy is
the energy stored
within an object, due to
the object's position,
arrangement or state.
• The kinetic energy of
an object is the
energy that it possesses
due to its motion.
• Build your own balloon cars.
• Race and see who is the fastest.
• https://www.youtube.com/watch?v=jr3
• What law states that every action has an
equal, opposite reaction?
• What is energy stored in an object called?
• What is the energy of motion called?
Can you see secret messages?
What is light?
Light is a wave of energy
• The electromagnetic spectrum
How do black (ultraviolet) lights work?
• A black light looks dark purple, but most
of the light it emits is in the ultraviolet
(UV) range of the spectrum, which is
invisible to the human eye.
Things that glow under a black light?
Tonic water
Laundry detergent
Baking soda
Petroleum Jelly (Vaseline)
But why?
• When UV light bounces
off objects that contain special
substances called phosphors,
interesting things happen.
Phosphors are substances that emit
visible light in response
to radiation. Phosphors hit by UV
light become excited and naturally
fluoresce, or in other words, glow.
Things you can do:
• Write a secret letter.
• Draw on the desk.
• Paint your face.
• https://youtu.be/IPlKpmOEt3A
• Which color has the highest frequency
wavelength and energy? Which color
has the lowest?
• What is the top color of a rainbow?
Which is the bottom color?
• What glows under ultraviolet light?
Can we have super strength?
Simple Machines
• We use simple machines to increase our
force and make life easier.
Siege Weapons
Make your own catapults!
Can you make a magic wand?
Can you make an electrical device?
Electricity is the flow of electrons.
• Electrons flow out of the
positive end of the battery,
around the circuit, to the
negative end of the battery.
LED lights
• When electrons flow through a light
emitting diode, electrical energy
becomes light.
How can you be a superhero?
How can we help to clean the planet?
The Boston Marathon
• The key ingredient for this project is sodium alginate,
a natural gelling powder derived from algae. The
sodium alginate gels or polymerizes when reacted
with calcium.
How to Make an Edible Water Bottle
• Materials and equipment:
– Water
– 1 gram sodium alginate
– 5 grams of calcium lactate
– Large bowl
– Smaller bowl
– Hand mixer
– Spoon with a rounded bottom (soup spoon
or round measuring spoon works great)
In a small bowl, add 1 gram (1/4 teaspoon) of sodium
alginate to 1 cup of water.
Use the hand mixer to make sure the sodium alginate
is combined with the water. Let the mixture sit for
about 15 minutes to remove any air bubbles. The
mixture will turn from a white liquid to a clear mixture.
In a large bowl, stir 2.5 grams (1 teaspoon) of calcium
lactate into 2 cups of water. Mix well to dissolve the
calcium lactate.
Use your rounded spoon to scoop up the sodium
alginate solution.
Gently drop the sodium alginate solution into the bowl
containing the calcium lactate solution. It will immediately
form a ball of water in the bowl. You can drop more
spoonfuls of sodium alginate solution into the calcium lactate
bath. Just be careful the water balls don't touch each other
because they would stick together. Let the water balls sit in
the calcium lactate solution for 3 minutes. You can gently stir
around the calcium lactate solution if you like. (Note: the
time determines the thickness of the polymer coating. Use
less time for a thinner coating and more time for a thicker
Use a slotted spoon to gently remove each water ball. Place
each ball in a bowl of water to stop any further reaction. Now
you can remove the edible water bottles and drink them. The
inside of each ball is water. The bottle is edible too -- it's an
algae-based polymer.
Oobleck Man!
States of Matter
• Solid
• Liquid
• Gas
How can we walk on “water”?
• https://www.youtube.com/watch?v=q-DZ0f0_NCA
Can we move things without
touching them?
Magnets have magnetic fields
Magnetic Slime
• Step 1: Pour 1/4 cup of white PVA glue
into your mixing bowl. You may have to
use the spoon to scrape all the glue out
of the measuring cup.
• Step 2: Add 2 Tablespoons of iron oxide
powder. Stir well.
• Step 3: Pour in 1/8 cup of liquid starch.
• Step 4: Stir the glue and starch mixture
really well to make sure that it’s all
mixed. As soon as you begin to stir, the
starch will react with the glue and the
slime will start to form.
• Step 5: Knead the slime with your
Can we fly like Superman?
Sprout Space Program!
Newton’s 3rd Law
• Every action has an equal, opposite
• https://www.youtube.com/watch?v=u7WshxUT8M
Real Rocket Fuel
• The main chemical reaction that takes place in
a liquid-propellant rocket's engine, such as the
SSME (Space Shuttle Main Engine) of a NASA
rocket, is between Liquid Oxygen (LOx, or
O₂) and Liquid Hydrogen (LH₂ or H₂). The
product is that is produced in this reaction is
water (H₂O). This reaction is a basic synthesis
Our Rocket Fuel
• The reaction between baking
soda (sodium bicarbonate)
and vinegar (dilute acetic acid)
generates carbon dioxide gas.
Our Rocket Fuel
Same as Volcano Models
• First, use chopsticks and cardboard to make wings
that allow the bottle to stand upside down.
• Fill the rocket 1/3 full with vinegar
• Put 1 tablespoon of baking soda in a long packet
that can fit in the tube.
• Do NOT put the baking soda and/or vinegar in the
rocket until you are ready to shoot your rocket
• https://www.youtube.com/watch?v=vTlvkXWzfXk
Make Rocket Fins!
• https://sciencetoymaker.org/air-rockets/make-air-rockets/
Mars Landing
The Egg Drop Experiment
Can we save an egg from breaking if
we drop it?
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