Exam 1: Our Place in the Universe

arrow
  • Select Tags
search iconSearch Question
flashcardsStudy Flashcards
  • Select Tags

It is often said that "mathematics is the language of science." Explain why this is true.

Free
(Essay)
4.7/5
(40)
Correct Answer:
Verified

Mathematics is a language that describes patterns,and patterns are the heart of science.Thus,math is the language of science.

What are the advantage(s)of placing telescopes in space?

Free
(Multiple Choice)
4.9/5
(37)
Correct Answer:
Verified

D

There are nearly 100 times more galaxies in the universe as there are stars in the Milky Way.

Free
(True/False)
4.8/5
(35)
Correct Answer:
Verified

False

Which of the following is FALSE?

(Multiple Choice)
4.7/5
(33)

The scientific method is a process by which scientists:

(Multiple Choice)
4.7/5
(41)

There are many different areas of science,but a common factor in each is the evaluation and analysis of patterns.What patterns does astronomy deal with? (Describe in general and give at least one concrete example.)

(Essay)
4.8/5
(36)

__________ is the idea that the simplest explanation for a phenomenon is usually the correct one.

(Multiple Choice)
4.9/5
(41)

Describe the two main aspects of the cosmological principle.

(Essay)
4.7/5
(38)

How many nanometers are in a millimeter?

(Multiple Choice)
4.8/5
(35)

Scientific notation allows us to:

(Multiple Choice)
4.8/5
(35)

The figure below shows images representing our place in the universe.Label each box with its appropriate location. The figure below shows images representing our place in the universe.Label each box with its appropriate location.

(Essay)
4.8/5
(40)

Our Sun is the most massive and luminous star in the Milky Way.

(True/False)
4.8/5
(40)

Observed patterns are usually due to some underlying scientific explanation.

(True/False)
4.8/5
(29)

Describe two important reasons why the ability to put telescopes in space dramatically affected the science of astronomy.

(Essay)
4.9/5
(37)

Measuring distances in the amount of time it takes light to travel,if the circumference of Earth is a snap of your fingers,the diameter of the Solar System is approximately equal to:

(Multiple Choice)
4.8/5
(39)

Suppose you were writing to a pen pal in another universe.What address would you put on the envelope that included all the major structures in which we reside? (Hint: Your cosmic address should begin with "Earth" and end with "the universe.")

(Essay)
4.7/5
(37)

If you compared the diameter of the Earth (13,000 km)to 1 second,what unit of time would be equivalent to the size of our Galaxy,whose diameter is 1.5 × 1021 m __________,which is the length of time between now and when __________.

(Multiple Choice)
4.9/5
(34)

The word astronomy:

(Multiple Choice)
4.8/5
(32)

Describe two ways in which Einstein's new theories changed commonly accepted scientific views of that time.

(Essay)
4.8/5
(49)

Write 3,800,000,000 in scientific notation.

(Multiple Choice)
4.9/5
(37)
Showing 1 - 20 of 71
close modal

Filters

  • Essay(0)
  • Multiple Choice(0)
  • Short Answer(0)
  • True False(0)
  • Matching(0)