1.3.1 Unit Review: Introduction to Astronomy

Unit Review: Introduction to Astronomy
1.3.1

By Caitlin Ford

Key Concepts

- the fundamentals of astronomy

- the celestial objects of the universe

- matter, energy, and radiation

- the historical development of astronomy 

- astronomy and art

Vocabulary

Vocab list is available in edio

Match

Match the following vocabulary words with their definitions.

• astronomer

• celestial object

• ecliptic

• zenith

• astrobiology

a scientist who studies space

object beyond Earth's atmosphere

circle on the celestial sphere

point that lies directly above observer

study of living things in the universe

• a scientist who studies space

• object beyond Earth's atmosphere

• circle on the celestial sphere

• point that lies directly above observer

• study of living things in the universe

Fundamentals

What are some celestial objects?

What tool does an astronomer use?

What are the main branches of astronomy?

What are the 2 sub-branches of astronomy?

Fundamentals

What are some celestial objects?
- stars, planets, moons, asteroids, meteors

What tool does an astronomer use?
- telescopes

What are the main branches of astronomy?
- astrobiology, astrometry, astrogeology, astrophysics

What are the 2 sub-branches of astronomy?
- cosmology, planetary science

Dropdown

Jonas is working in an astronomical research institute as a scientist. He is searching for traces of life on other planets.



Jonas's field is ​

Select answer

Patterns in the Sky

What is the difference between a constellation and an asterism?

Patterns in the Sky

What is the difference between a constellation and an asterism?

A constellation is a larger picture made by connecting stars.

An asterism is a group of bright stars that form simple shapes. These are usually a part of a bigger constellation.

Categorize

Options (6)

Constellation or Asterism?

Constellation

Asterism

Fill in the Blanks

STATES OF MATTER: Solid, liquid, gas, and

?

States of Matter

Solid, liquid, gas, and... ?

PLASMA! Plasma is the most common state of matter. The stars are made of plasma, lightning is plasma, and neon lamps.

History of Astronomy

• there is evidence of stargazing dating back to prehistoric times

• ancient peoples studied the stars and created constellations named after their gods

• astrology is the belief that the positions of stars impact your birth - the zodiac constellations were very important

• star charts, calendars, timekeeping, tracking the seasons, art!
  
  
  

Match

Match the astronomer with their contribution to astronomy.

• created the heliocentric model

• discovered the 4 big moons of Jupiter

• discovered Uranus... but almost named it George!!!

• predicted radiation emitted by black holes

• discovered the Andromeda galaxy

Nicolaus Copernicus

Galileo Galilei

William Herschel

Stephen Hawking

Edwin Hubble

• Nicolaus Copernicus

• Galileo Galilei

• William Herschel

• Stephen Hawking

• Edwin Hubble

Models

What is the geocentric model?


What is the heliocentric model?

Who came up with the laws of planetary motion?

Who discovered gravity?

Models

What is the geocentric model?
- earth-centered model

What is the heliocentric model?
- sun-centered model

Who came up with the laws of planetary motion?
- Johannes Kepler

Who discovered gravity?
- Isaac Newton

Multiple Choice

Why did astronomers eventually question the geocentric model of the universe?

• The planets do not all move in the same direction.

• Some planets have no moons.

• The planets sometimes reverse their direction in the sky.

• Planets are tilted at different angles.

Great Job!

During our next class, we will play a review game for more review.

Completed notes are available on the course home page. The link will take you to the notebook! 

If you feel confident right now, go ahead and take the test! 

If you need any help, send me an edio chat :)