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Precession, Nutation & Barycenter

Authored by Susan Reese

Social Studies

9th - 12th Grade

Used 43+ times

Precession, Nutation & Barycenter
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13 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Earth's orbit follows an elliptical path.

Kepler's 1st law
Kepler's 2nd law
Kepler's 3rd law
Nutation

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When Earth orbits around the sun, it slows down when it is close to the sun. It speeds up its orbit when it is further from the sun. This is because the sun's gravity is stronger when you are closer to it.

Kepler's 1st law
Kepler's 2nd law
Kepler's 3rd law
Nutation

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Planets further from the sun have an orbit that lasts MUCH longer than planets that are close to the sun.
Pluto's orbit lasts over over 90,000 days.
Mercury's orbit lasts 88 days.

Kepler's 1st law
Kepler's 2nd law
Kepler's 3rd law
Nutation

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The Earth's axis changes direction (but the angle does NOT change).

Nutation
Precession
Barycenter
Revolution

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During precession, the Earth wobbles a little. This DOES change the angle of the axis.

Nutation
Precession
Barycenter
Revolution

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Where does nuclear fusion occur with the sun?

Space

Radiation Zone

Photosphere

The Core

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The energy from the sun is created by a process called:

nuclear fission
nuclear fusion
nuclear reaction
nuclear core

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