Emitting vs. Reflecting 1
What is the definition of emitting?
Objets that produce their own light.
The Northern Hemisphere is tilted _______ from the Sun in winter.
Away from
What we call the part of the sky closest to Earth.
Atmosphere
The sun reflects or emits light?
Emits
How long does it take the Earth to revolve around the Sun?
365/366 days - one year
What is the definition of reflecting?
An object that does not produce its own light, but bounces it back.
Around what date is the vernal (spring) equinox?
Around March 21st
This the general term for an object that orbits a planet.
Satellite
What is the object called that uses shadows to tell time?
Sundial
The ________ and _________ of the Earth cause the seasons.
Tilt and Orbit
This star, also called the North Star, can always be seen in the northern sky.
Polaris
In winter the Sun is _________ in the sky.
Low in the sky
This is the force that keeps planets in their orbits around the Sun.
Gravity
Light emitting objects are sources of ____________.
Energy
What does equinox mean?
Equal time of light and dark
Asteroids and comets reflect or emit light?
Reflect Light
In the winter, the Sun’s rays are at an angle and more _________.
Spread out over a larger area of the ground
The only Canadian aboard the 1984 shuttle Challenger.
Marc Garneau
In the morning when the sun is low in the sky, your shadow would be longer or shorter?
longer
In the summer, the ________ hemisphere is tilted toward the Sun.
Northern
Why is it not safe to look directly at the sun?
The sun can burn your eyes. There are no pain receptors in the retina of the eye so there is no pain to warn us of the damage being done to the eyes.
In the summer, the Sun’s rays hit the NORTHERN hemisphere __________________.
More directly
CSA stands for this:
Canadian Space Agency
In the evening our shadow is facing what direction?
East
What does the term solstice refer to?
The time of year that the sun's rays fall directly on either the tropic of Cancer (Northern Hemisphere) or the tropic of Capricorn (Southern Hemisphere).