EARTH SUN MOON SYSTEM
Gravity and Motion
Solar System
Stars Life Cycle
HR Diagram
100

What phase of the Moon occurs when the moon is between the earth and sun

New Moon

100
What force keeps planets in orbit around the sun?

Gravity

100

What are the 4 rocky planet of our solar system?

Mercury, Venus, Earth, Mars

100

What process powers stars?

Nuclear Fusion

100

What is located on the x-axis of a HR diagram?

Temp

200

What causes the seasons of the earth?

tilt of the earth

200

What two factors affect the strength of gravity?

Mass and Distance

200

What unit is used to measure distance in solar systems?

AU - Astronomical Unit / Light year

200

What can form after a supernova?

Neutron Star or Black Hole

200

What is located on the y-axis of a HR diagram?

Brightness / Luminosity

300

Why don't eclipses occur every month?

Moons shadow is not cast on the earth in the correct location

300

Why do planets closer to the sun move faster than those farther away?

Stronger gravity / Smaller orbit

300

Where are most asteroids in the solar system located?

Asteroid Belt

300

What is the next stage for our Sun after the main sequence?

Red Giant

300

Where are cool, dim stars located on the HR diagram?

Lower Right

400

What phase of the moon is required to see a lunar eclipse

Full Moon

400

What factors make planets orbit?

Gravity and speed

400

What causes a comet to develop a glowing tail?

Heat from the sun / Vaporization of solids to gas

400

What is the remnant of a small to medium star after a collapse?

White Dwarf

400

What type of stars are located in the upper left of the HR diagram?

Hot and Bright

500

What is the cause of the tides on earth?

Moon and sun gravitational pull

500

Why don't we feel the gravitational pull of distant stars?

Too large of distance away

500

What are the gas giants of our solar system?

Jupiter, Saturn, Uranus, and Neptune

500

What causes a supernova to happen?

collapse of a MASSIVE star

500

What factors determine a stars position on the HR diagram?

Temp and brightness