Show:
Moon Phase
Shadows
Physical Characteristics
Vocabulary
Sun Earth Moon Interactions
100

What is larger a gibbous or crescent moon?

Gibbous

100

What is a shadow?

A dark area that is caused by an object blocking light.
100

What is the Sun made of?

Mostly hydrogen and helium gases. 


100

Define orbit.

An orbit is the path that one objects follows as it moves around another object. 
100

What is the main source of light and heat for Earth?

The Sun is the main source of light and heat for the Earth.

200

What is the word for when the moon is gradually getting smaller?

Waning

200

At what point during the day are shadows the shortest?

Around 12pm (noon)

200

What is Earth's natural satellite?

The moon. 

200

Define revolve.

One object going around another object. 

200

It takes this long for Earth to make one full revolution around the Sun. 

365 days or one year. 

300

Does the moon get smaller or larger after a full moon? What is the phase?

Smaller

waning gibbous

300

If the sun is rising in the east, a tree's shadow will extend toward the ____.

West

300

The Earth and Moon are made of ____.

Rock

300

Define rotation. 

Rotation is spinning or turning in place or on an axis. 

300

How long is the moon cycle or how long does it take moon to orbit Earth?

about 29 1/2 days or one month

400

Moon phase after the new moon?

waxing crescent

400
How would a shadow change from 12pm to 6pm?
At 12pm, a shadow will be short and pointing toward the north or south. At 6pm, a shadow will be long and pointing toward the east. 
400
True or False? The Sun, Earth, and Moon all have gravity. 

True 

400
Define apparent.

Appears to or looks like. 

400

Explain why day and night occur on Earth.

One side of Earth is always facing the Sun and one side is always facing away from the Sun. Because Earth continuously rotates on its axis, each side spends about 12 hours in the daylight and 12 hours in the dark which is called day and night. This cycle repeats over and over again. 

500
What causes moon phases?

Moon phases are caused by the moon's revolution around the Earth. 

500

Explain why shadows move and change throughout the day. 

Shadows move and change throughout the day because the Sun's position in the sky changes. 

500

Name the two gases that mostly make up Earth's atmosphere.

Oxygen and Nitrogen 

500

Define axis. 

The imaginary line that celestial bodies spin around. 

500

What causes seasons and why does the weather change as seasons change?

Earth's tilt plus its revolution around the Sun causes seasons. The weather changes with the seasons because as Earth's position around the Sun changes throughout the year, the northern and southern hemispheres either get more sunlight, less sunlight, or equal amounts of sunlight during the day. More sunlight = warmer temperatures. Less sunlight = colder temperatures.