2.1 Science of Rockets
What is a rocket?
An aircraft that uses gas to move
Who was the first human in space?
Yuri Gagarin
What is microgravity?
0 weight (weightlessness)
What is Gravity?
Gravity is the force that pulls objects toward each other
What is a model in science?
A model is a representation of an object, system, or idea
Where were the first rockets made?
In China (1100s)
What was the Space Race?
Battle between USA and Russia for military power and politics
What is remote sensing?
Gathering information using no direct contact
________ + ________ = seasons
Revolution + tilt = seasons
Name 2 features of the sun
Sunspots: cooler dark area on the surface
Prominences: loops of gas linking sunspots
Solar Flares: Eruptions releasing energy
Solar Wind: Streams of charged particles
Why do some rockets crash after landing?
They have to overcome gravity!
What was the goal of the Apollo Program?
To land astronauts on the moon AND bring them back safely to Earth.
What happens if you stay in space for too long?
You will develop health problems due to microgravity
What are constellations used for?
Used for navigation, farming, and storytelling
What are some characteristics of Venus?
Similar in size to Earth, Thick atmosphere (mostly carbon dioxide), Hottest planet due to greenhouse effect, Rotates backwards compared to other planets, Surface hidden by clouds of sulfuric acid
What does Isaac Newton’s Third Law say?
For every action, there is an equal and opposite reaction
What does NASA stand for?
National Aeronautics and Space Administration, created to compete with Russia
What Space conditions are very different from Earth?
Near Vacuum, extreme temperatures, and microgravity
What is Neap Tide and Spring Tide? DOUBLE JEOPARDY
When the sun, moon, and Earth align → Spring Tide
When Sun and moon are at right angles → Neap Tide
What are 3 requirements for a planet to be a planet?
Orbit the Sun, Have a sphere shape, Clear out a region of the solar system with its orbit
Explain what action and reaction forces are for a rocket
Action: The force of a gas shooting out of a rocket
Reaction: The force that moves the rocket
Why are Space Shuttles Important?
Take satellites into orbit
Repair damaged satellites
Carry astronauts and equipment to and from space stations
What are some examples of Space Spinoff consumer products?
Freeze dried food, helmets, sneakers, joysticks, sunglasses
Name the moon phases in order starting from new moon :)
New Moon, Waxing Crescent, First Quarter, Waxing Gibbous, Full Moon, Waning Gibbous, Third Quarter, Waning Crescent
Order Meteor, Meteorite, and Meteoroid properly and also define them
Meteoroid: Small rock in space
Meteor: Meteoroid burning in Earth’s atmosphere
Meteorite: Survives and lands on Earth