a planet with a solid surface made of rock, metals, and other similar solid substances

a giant, gaseous planet in our solar system

consists of the Sun and everything that orbits, or travels around, the Sun

giant balls of hot gas – mostly hydrogen, with some helium and small amounts of other elements

Earth spinning on an imaginary axis. This is what causes the earth to have day and night. (takes 24 hours)

The movement of the earth around the sun and causes our seasons. (takes 365 and 1/4 days)

Full moon or new moon, earth, and the sun are in line with each other. Extreme high tides

First and third quarter moon, earth, and the sun are at a 90 degree angle to each other. Weak tides throughout

The point between two objects where they balance each other and is usually located closer to the object with the most mass

the process by which two light atomic nuclei combine to form a single heavier one while releasing massive amounts of energy. Stars go through this

the process where the nucleus of an atom splits into two or more smaller nuclei and other particles. Our power plants utilize this

Transfer of energy by the flow of a heated substance.

Energy transfer that occurs when molecules collide; takes place only when substances are in contact with each other.

Energy transfer through space by visible light, ultraviolet radiation, and other forms of electromagnetic waves.

a flow of particles that comes off the sun at about one million miles per hour and travels throughout the entire solar system.

a sudden, intense burst of radiation from the sun

the outermost layer of the Sun's interior where energy is transported outwards through the process where hot plasma rises, cools as it reaches the surface, and then sinks back down to be reheated, creating a circular motion that carries heat to the visible surface of the Sun

the layer within the Sun, located just outside the core, where energy is primarily transported outwards by photons of light bouncing from particle to particle, carrying the energy generated in the core towards the Sun's surface

waves that have longer wavelengths than visible light and can pass through dense regions of gas and dust in space with less scattering and absorption

the portion of the electromagnetic spectrum that can be detected by the human eye

Ultraviolet Radiation

shorter wavelengths than visible light

a natural process where certain gases in the Earth's atmosphere trap heat from the sun, warming the planet to maintain a suitable temperature for life on Earth

a measure of how reflective a surface is, and can be expressed as a percentage or a ratio.

Unit 1 - The Universe Flashcards

Student preview

30 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Solar Nebula Theory

Back

the formation of our solar system from a cloud made from a collection of dust and gas

2.

FLASHCARD QUESTION

Front

Nebula

Back

giant cloud of dust and gas in space

3.

FLASHCARD QUESTION

Front

Orbital Period

Back

the time it takes for an object to complete one orbit around another object

4.

FLASHCARD QUESTION

Front

Meteoroid

Back

a small body moving in the solar system that would become a meteor if it entered the earth's atmosphere

5.

FLASHCARD QUESTION

Front

Comet

Back

an object consisting of a center consisting of ice and dust

6.

FLASHCARD QUESTION

Front

Asteroid Belt

Back

a region of space between Mars and Jupiter that contains millions of asteroids

7.

FLASHCARD QUESTION

Front

Gravity

Back

the force by which a planet or other body draws objects toward its center

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