Emiting and Reflecting Light
What does it mean to emit light?
to give off/produce light
What information can we determine from shadows?
The time of day
The moon is Earth's only natural __________
satellite
What degree is Earth's axis tilted
23.5
Mercury, Venus, Earth, Mars
The Rocky Planets
What does it mean to reflect light?
to bounce off of
Is the sun moving in the sky?
No, the Earth is spinning on its axis
What are the moon phases, in order?
New Moon
Waxing Crescent
First Quarter
Waxing Gibbous
Full Moon
Waning Gibbous
Last Quarter
Waning Crescent
Why do we have seasons?
The angle of Earth's axis determines the seasons as the Earth orbits around the sun
Name the outer planets and what they are made of
Jupiter, Saturn, Uranus, Neptune
Gas Giants
Objects in space that emit light
Sun and stars
WHY does a shadows length change throughout the day?
The position of the sun in the sky determines the length of shadows
What is a solar eclipse?
When the moon moves between the sun and Earth, casting a shadow on a part of Earth?
Which direction is the axis tilted during the following seasons in the Northern Hemisphere:
Summer
Winter
Autumn
Spring
Summer: toward the sun
Winter: away from the sun
Autumn/Spring: Northern and Southern hemispheres are equal
What is an asteroid?
Objects in space that reflect light
The moon, planets, asteroids, comets, meteors
HOW does a shadows length change throughout the day?
What is a lunar eclipse?
The moon moves into a position behind Earth, so that Earth is blocking the sun from the moon.
Why does it seem like constellations are moving throughout the night?
Earth is spinning on its axis
What is a comet?
What object in our solar system do most objects reflect light from?
The sun
What is solar noon?
When the sun reaches its highest point for the day in the sky
Why does the moon appear red during a lunar eclipse?
When sunlight passes through Earth's atmosphere, the light gets bent into separate colours and only red passes through.
Why do some constellations change direction throughout the year?
Earth is orbiting the sun in an elliptical, counter clock-wise direction
What is the difference between a meteor, meteoroid, and meteorite?
Meteoroid - a rocky body that has broken away from the Asteroid Belt
Meteor - a body of matter that enters the atmosphere. Usually burns up
Meteorite - a solid piece of debris that survives its passage through the atmosphere to reach the surface of a moon or planet