Phases 1
Why do scientists build models of the sun-moon-Earth system?
A. The sun is too hot.
B. Model-making is fun.
C. It is too big to see in real life.
D. They have nothing else to do.
C. It is too big to see in real life.
True or false:
The Earth’s shadow causes the moon to change shape.
False.
Why is it more difficult to see objects in a dark room?
A. There are lots of shadows.
B. Light is slower in a dark room.
C. Less light reflects off surfaces.
D. Eyes create less light in the dark.
C. Less light reflects off surfaces.
Why can the moon be seen in the sky?
A. It reflects light from Earth.
B. It reflects light from the sun.
C. Glowing moss grows on its surface.
D. Light from the stars collects in crystals.
B. It reflects light from the sun.
What moon phase does the first moon in the picture represent?
(show image)
New Moon
What is a good model for how sunlight and the moon interact?
A. turning a lamp on and off
B. shining a flashlight into a mirror
C. looking at a computer monitor
D. watching a candle in a dark room
B. shining a flashlight into a mirror
Why does the same side of the moon always face the Earth?
A. The moon does not spin on its axis.
B. The moon stays in the same place.
C. The moon and Earth orbit each other.
D. The moon spins as fast as it circles Earth.
D. The moon spins as fast as it circles Earth.
What moon phase does the third moon in the picture represent?
(show image)
First Quarter
What moon phase does the last moon in the picture represent?
(show image)
Waning Crescent
Explain how shadows are formed.
(A shadow is an area where the light is blocked by another object. The light cannot penetrate the object and reach the surface, so it is dark.
Compare and contrast generating light and reflecting light.
Generating light means an object produces its own light.
Reflecting means that light from another source hits an object and bounces off.
Both allow objects to be seen.