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Unit 6- Space Word Wall
Danette Vance
Created on November 20, 2024
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Transcript
Earth's Magnetic Field
Sustainability
Stable Climate
Habital Zone Proximity Atmosphere Biodiversity Optimal Conditions
Solar System Force Orbit
Gravity Mass Weight Inertia
7.9C
7.9B
Revolve Moon Sun Oort Cloud
Planet Asteroid Meteor Kuiper belt Comet Physical Property Rotate
7.9A
The student is expected to analyze the characteristics of Earth that allow life to exist such as the proximity of the Sun, presence of water, and composition of the atmosphere.
The student is expected to describe how gravity governs motion within Earth's solar system; and
The student is expected to describe the physical properties, locations, and movements of the Sun, planet, moon, meteor, asteroid, comet, Kuiper belt, and Oort cloud
life and earth
Gravity & Motion in the solar system
Objects in the solar system
Unit 6 Word Wall
Sun
Oort Cloud
Moon
Rotate/ Rotation
Revolve/ Revolution
Physical Properties
Comet
Kuiper Belt
Asteroid
Meteor
Planet
7.9A - Objects in the Solar System
Solar System
Gravitational Attraction
Inertia
Force
Orbit
Mass
Weight
Gravity
7.9B - Gravity & Motion in the solar system
7.9C - Life and Earth
Stable Climate
Sustainability
Earth's Magnetic Field
Biodiversity
Atmosphere
Habitable Zone
Optimal Conditions
Proximity
an object that orbits the sun, has become rounded by its own gravity, and has cleared the area of its orbit.
Planet
a small, mostly rocky or metallic body that orbits the sun in the inner solar system.
Asteroid
a meteoroid that enters Earth’s atmosphere in a streak of light.
Meteor
The Kuiper Belt is a "junkyard" of icy bodies left over from the solar system's formation
a region beyond Neptune’s orbit extending 30 to 50 AU from the sun
Kuiper belt
a loose ball of ice and rock that usually has a long, narrow orbit around the sun.
Comet
Earth's temperature, size, and the amount of water on its surface are all physical properties that help make life possible.
a characteristic of a substance that can be observed or measured without changing the identity of the substance.
Physical property
The circular motion of an object around its center.
Rotate/Rotation
The motion of an object around a point, or around another object.
Revolve/ Revolution
Key Details: Reflect sunlight; do not produce their own light. Can vary in size, shape, and surface features (e.g., craters, mountains). Example: Earth's Moon affects tides through its gravitational pull.
Naturally-formed bodies that orbit planets.
Moon
Key Details: A massive ball of hot gases, primarily hydrogen and helium. Located at the center of the solar system. Energy comes from nuclear fusion in its core. Drives weather, climate, and life on Earth.
The star around which the earth moves and that provides light and heat for the earth.
Sun
Key Details: - Located far beyond the Kuiper Belt, at the edge of the Sun’s gravitational influence.
- Believed to be the source of long-period comets.
- Contains trillions of icy bodies, potentially remnants from the early solar system.
- Extends roughly 2,000 to 100,000 astronomical units (AU) from the Sun.
A giant spherical shell surrounding our solar system.
Oort cloud
The force of attraction between all masses in the universe.
Gravitational Attraction
The force of attraction between two or more objects of mass
Gravity
Key Details:
- Measured in kilograms (kg) in the International System of Units (SI).
- Independent of gravity (unlike weight).
- A fundamental property of matter that determines resistance to acceleration.
- Commonly measured using a balance scale.
The amount of matter present in an object
Mass
The measurement of gravitational pull on an object’s mass.
Weight
Inertia is why planets keep moving forward in space. It means that objects don't change what they're doing—whether staying still or moving—unless a force, like gravity, acts on them. In the solar system, inertia keeps planets from stopping or flying off in straight lines, while gravity pulls them into orbits around the Sun.
The tendency of an object in motion to stay in the same motion and an object at rest to stay at rest
Inertia
The movement of one body around another in an oval-shaped path.
Elliptical orbit
A repeating path that one object in space takes around another one.
Orbit
- In the solar system, force plays a key role in the movement of celestial bodies:
- The gravitational force of the Sun pulls planets towards it, preventing them from flying off into space.
- This force works with inertia (the tendency of a moving object to continue moving) to create the planets' orbital paths.
- Other examples include the gravitational force between moons and their planets, and the force that causes meteors to accelerate when falling toward Earth.
A push or pull upon an object
Force
A system of stars, planets, moons, and other objects, bound together by gravitational orbit.
Solar System
The area that is a set distance from the sun that allows water to exist as a liquid. This is also known as the Goldilocks zone.
Habitable Zone
The measure of closeness between two objects.
Proximity
- Key Details:
- Earth's atmosphere is primarily made of nitrogen (78%) and oxygen (21%), with small amounts of other gases.
- Protects life by filtering harmful solar radiation (like UV rays).
- Regulates temperature, creating a stable environment for living organisms.
- Facilitates the water cycle and allows for breathable air.
The envelope of gases surrounding a planetary body.
Atmosphere
- Proximity to the Sun: Earth's magnetic field helps protect the planet from harmful solar winds and radiation that could otherwise harm living organisms.
- Presence of Water: Protects Earth's water supply by preventing radiation from breaking down the water molecules in the atmosphere.
- Atmospheric Composition: Works alongside the atmosphere to prevent radiation from damaging the ozone layer, ensuring Earth's temperature remains stable and suitable for life.
How it relates to Earth's Habitability:
Earth has a polar north and south from which magnetic lines of force are present like a giant magnet; caused by the turning of the outer molten metal core of the Earth.
Earth's Magnetic Field
The variety of all living things and their interactions
Biodiversity
The best or most favorable temperature, light, and moisture for the growth or reproduction of an organism.
Optimal Conditions
Having low rates of long term change .
Stable Climate
the ability of something to maintain or "sustain" itself over time