Kepler's Laws
History of Space
Seasons
Moon
Random
100

1st law states that each planet's orbit about the Sun is a(n) _____.

Ellipse

100

True or False: Plato and Aristotle believed in a geocentric model.

True

100

Why do we have seasons on Earth?

Earth's tilt

100

What is responsible for the tides on Earth?

The moon

100

We learned about 3 things that could happen if we did not have a tilt, which would NOT occur?

A. Every day would have the same day hours as night hours. (equinox)

B. Northern hemisphere would actually be slightly warmer in January and colder in July.

C. A year would be shorter than 365 days.

D. There would be no seasons

C. A year would be shorter than 365 days.

200

Planets revolve around the sun ______ when it gets closer to the sun.

Faster
200

Why is Aristarchus of Samos an important person to talk about?

He presented the first known heliocentric model

200

How many degrees is Earth's Tilt?

23.5

200

True or False: In space the smaller thing always orbits the bigger thing.

True

200

Equinoxes occur during which 2 seasons?

Spring and Fall

300

True or False: The distance between the Earth and the sun is always the same. That is how we get the unit Astronomical Units (AU)

False

300

(2 Questions) 

1. Johannes Kepler observed what planet? 

2. What came from this?

1. Mars

2. Kepler’s Laws of Planetary Motion

300
When the Northern Hemisphere is experiencing summer, the Earth is angled which way?

Towards the sun

300
Why does the smaller thing always orbit the bigger thing in space?

The gravitational pull is more intense for bigger things.

300

When does the northern hemisphere get the most sunlight? 

Summer Solstice

400

The sun is always located at the ______ of the ______.

Focus and Ellipse

400

Two questions: 

1. Galileo observed a planet to help understand that the Earth orbits the sun, what planet was it?

2. What information did he get from observing this planet to help him understand that planets orbit around the sun?

1. Venus

2. It was different sizes at different phases

400

What is the difference between a solstice and an equinox? What seasons do they occur?

Equinox is equal day equal night (Spring and Fall)

Solstice is either the most amount of daylight or the least amount of daylight. (Summer and Winter)

400

What is gravity?

Gravity is a fundamental force of attraction between any two objects with mass.

400

When and where is the coldest area of the Earth at what time?

Antarctica in July

500

Explain Kepler's 3rd law and use key vocabulary and units. (Proportional, distance, and time)

The proportional relationship between the distance (in AUs) between a planet and the sun and the amount of time (in years) it takes to revolve around the sun.

500

Explain how the selfishness of one man that we learned about led to great scientific discoveries.

Tycho Brahe was scared of how smart Johannes was and wanted to give him meaningless tasks so nobody could ever learn that Johannes might be smarter than Tycho. If Tycho was never that egotistical and selfish, Johannes Kepler may have neber 

500
Fill in the blank When the Earth is furthest from the sun that point is called ________ and the Earth is titled ________ the sun which is the season _________.

Aphelion, Towards, Summer

500

During which 2 phases of the moon would the tides be the highest?

Full moon and New moon

500

How would the velocities change of a planets' orbit if the orbit became a perfect circle other than an ellipses and the sun was in the center.

The planet would have a constant velocity.

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