NAUTILUS EDUCATION | BETA PRODUCT
Astronomy & Space Travel
How would we travel nearly five light years? This article explores different engineering solutions to the puzzle of taking a very, very, long trip, intertwining science-fiction goals with real world solutions. Students will explore fanciful applications of Newton’s second law, and concepts of momentum, ions, and nuclear fusion.
Lesson Plan
Review vocabulary words in class. Have students read the article and answer the reading comprehension questions for homework, as well as generate a discussion question of their own. In class, address any conceptual questions that the class might have. Have students write discussion questions on the board, along with the ones suggested in this document. Have students break up into small groups, each of which should address one of the discussion questions. 15 MIN
Dedicate the remaining class time to completing one of the activities. 30-45 MIN
Teacher’s Notes: Roadmap to Alpha Centauri
VOCAB WORDS
Magnetic field: produced by a magnetic material or a current, a magnetic field will push or pull a moving charge or magnet that comes in contact with it.
Ion: an atom in which the number of electrons and protons is unequal—thus, the atom is positive or negative.
Momentum: the product of the mass and velocity of an object.
Recoil: the backward momentum from a fired gun.
Plasma: one of the four fundamental states of matter, composed of ions and electrons.
Nuclear fusion: when two or more clusters of neutrons and protons collide, forming a new nucleus and releasing energy.
READING COMPREHENSION
1. What does AU stand for?
2. How fast is Voyager 1 moving in miles per hour?
3. “The engine first strips propellant atoms [typically xenon] of their outermost electrons.” What is the charge of a stripped xenon atom?
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