Astronomy Lecture 1 Learning Objectives

अब Quizwiz के साथ अपने होमवर्क और परीक्षाओं को एस करें!

What is a planet? A moon? A galaxy? The universe?

-Planet-- today, any of the larger objects revolving about the Sun or any similar objects that orbit other stars; in ancient times, any object that moved regularly among the fixed stars -Moon-- an object that orbits a planet -Galaxy-- a massive system of stars (and other stuff) that exists inside the universe -The Universe-- everything; the entirety of space and time

Which of the following is a valid scientific hypothesis? A. Parts of the universe will never be discovered. B. Stars generate energy by burning coal. C. There are processes in nature that we will never understand.

B. Stars generate energy by burning coal.

Which of the following is a distance? A. 500 light-years B. 500 years

A. 500 light-years

The Theory of Evolution cannot be correct because it is just a theory. A. True B. False

B. False

Which of the following is a time? A. 500 light-years B. 8.3 light-minutes C. 4 hours D. 2.5 light-hours

C. 4 hours

Which of the following ranks the sizes of the listed objects in the correct order, from smallest to largest? A. Asteroid, Galaxy, Solar System, Universe B. Solar System, Galaxy, Asteroid, Universe C. Asteroid, Solar System, Galaxy, Universe D. Universe, Galaxy, Asteroid, Solar System

C. Asteroid, Solar System, Galaxy, Universe

Which of the following represents a scientific way of looking at nature? A. All ideas are equally valuable and should be equally respected. B. Well-established ideas should never be checked or tested. C. Nature informs us about the usefulness of our ideas.

C. Nature informs us about the usefulness of our ideas.

Know what a light-year is. What is it, how is it defined? How is it used?

Defined as the distance light can travel in a year, OR 9.5 million million kilometers

Be able to describe the scientific method.

It is a systematic way of testing new ideas. Start with an observation or idea --> suggest a hypothesis --> make a prediction --> perform a test, experiment, or additional observation --> test supports hypothesis; make additional predictions and test them OR test falsifies hypothesis; revise hypothesis or choose a new one

Know the translation and definition of Astronomy.

Loosely translated-- "finding patterns amongst the stars" Modern definition-- the study of the universe


संबंधित स्टडी सेट्स

Unit 3: Sensory and Perceptual Experience When the pupils are constricted, the image falling on each retina is ___________ and there is a greater ____________.

View Set

[PT Y1 A2] Atlas, Axis, and Craniovertebral Jts

View Set

NU271 HESI Prep: Fundamentals - Issues in Nursing

View Set

Radiation Health and Safety Exam Practice Questions 2

View Set

Cisco Devnet Assoc -- Infrastructure and automation

View Set

Биология животных

View Set

Biology Unit 2: The Chemistry Of Life

View Set

Test 1 Cognition and Learning QUIZZES

View Set