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WEBELOS & AOL VIRTUAL DEN MEETING
ADVENTURES IN SCIENCE
Pledge of Allegiance
I pledge allegiance to the flag
of the United States of America,
and to the Republic for which it stands,
one Nation under God,
indivisible, with liberty
and justice for all.
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The Scout Oath
On my honor, I will do my best
To do my duty to God and my country
And to obey the Scout Law;
To help other people at all times;
To keep myself physically strong,�mentally awake, and morally straight.
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The Scout Law
A Scout is…
Trustworthy, loyal, helpful, friendly,
courteous, kind, obedient, cheerful,
thrifty, brave, clean, and reverent.
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ROLL CALL!
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Fair Tests
Who is Sir Isaac Newton and what are his Three Laws of Motion?
Force and motion and how to develop a fair test
of rockets and fins
Virtual Rocket Launch using our fair test
Tonight, We’re Talking About�Meeting 1
Scaling the solar system using astronomical units (AU)
Estimating the distance between planets in our solar system versus an accurate scaled solar system model
The Adventures in Science Virtual Scavenger Hunt homework
Who is Preston Cloud?
Tonight, We’re Talking About�Meeting 2
The Adventures in Science Virtual Scavenger Hunt homework
Chemical Reactions and the Coke and Mentos Fountain
Who is Col. Eileen Collins?
Tonight, We’re Talking About�Meeting 3
Example of a Fair Test
Sir Isaac Newton
1643 - 1727
Physicist
A Scientist who specializes in the field of physics (matter and energy)�
Mathematician
Developed Principles of Modern Physics, Including Laws of Motion
One of the great minds of the 17th-century Scientific Revolution
Had awesome hair!
Independent Variable What you will change
Control What you will keep the same
Dependent Variable What difference you are looking for
Let’s learn more… PBS.org Force and Motion
Rocket Fair Tests of Force & Motion
How do we scale the solar system (using AUs? Astronomical Units (AUs) are used to measure distances in a way that we can conceive of. One AU is equal to the average distance between Earth and the Sun (around 149,597,871 km). It’s easier for us to understand that Earth is 28 AUs from Pluto as opposed to 7.5 billion km.
Let’s learn more… Real World: Scaling the Solar System
Scaling the Solar System
How do we scale the solar system using AUs? Astronomical Units (AUs) are used to measure distances in a way that we can conceive of. One AU is equal to the average distance between Earth and the Sun (around 149,597,871 km). It’s easier for us to understand that Earth is 28 AUs from Pluto as opposed to 7.5 billion km.
Let’s learn more… Real World: Scaling the Solar System
Let’s scale the Solar System… NASA Solar System Scroll
Scaling the Solar System
A chemical reaction is a process that involves rearrangement of the molecular or ionic structure of a substance.
There are a lot of safe and easy chemical reactions you can perform at home (with permission); in fact, we perform chemical reactions in the kitchen every single day.
Let’s learn more… Chemical Changes: Crash Course for Kids
Chemical Reactions
When Mentos are added to a bottle of Coke, their surface (which looks smooth but is microscopically similar to the surface of the moon) acts as a nucleation site, allowing carbon dioxide bubbles to form rapidly and cause the fountain effect. A 2L bottle of Coke turns into 8L of CO2 gas. Certain sweeteners lower the surface tension of the Coke, making it easier for those bubbles to form, creating a larger fountain.
Let’s learn more… Compound Chem "The Secrets of the Coke and Mento's Fountain"
The Coke & Mentos Fountain