Chapter 26

Question 1

How long it takes the earth to travel around the sun?

Answer 1

Each complete revolution of Earth around the sun takes 365 1/4 days, or about one year.

Question 2

How often the earth competes one rotation?

Answer 2

Each complete rotate of Earth takes about one day.

Question 3

Every 4 years an extra day is added to what month?

Answer 3

February

Question 4

What scientist that study the universe are known as?

Answer 4

Astronomers

Question 5

Who added the day of the fourth day of …( who added leap year?)

Answer 5

Julius Caesar

Question 6

Who provided evidence of earth’s rotation with a pendulum?

Answer 6

Jean-Bernard-Lean Foucault

Question 7

What is a point in a planet’s orbit that is farthest from the sun

Answer 7

Aphelion

Question 8

• a collection of stars, dust, and gas bound together by gravity

Answer 8

Galaxy

Question 9

• the scientific study of the universe

Answer 9

Astronomy

Question 10

• all of the frequencies or wavelength of electromagnetic radiation.

Answer 10

Electromagnetic spectrum

Question 11

• The path that a body follows as it travels around another body

Answer 11

Orbit

Question 12

• The rotation of Earth causes ocean currents and wind belts to curve to the left or right.

Answer 12

Corals affect

Question 13

• the spin of a body on its axis

Answer 13

Rotation

Question 14

• a telescope that uses a curved mirror to gather and focus light from distant objects

Answer 14

Reflection telescope

Question 15

• system created for measuring long intervals of time by dividing time into periods of days, weeks, months, and years.

Answer 15

Calendar

Question 16

• the motion of a body that travels around another body in space

Answer 16

Revolution

Question 17

• group of stars that are organized in a recognizable pattern.

Answer 17

Consolation

Question 18

• the spin of a body on its axis

Answer 18

Rotation

Question 19

Who invented the refraction telescope?

Answer 19

Hans Lippershey