The four season are _____________.
Summer, Winter, Spring, Autumn/Fall
The law of magnetism is that _________ poles attract and ________ poles repel.
unlike poles attract and like poles repel
The Earth produces _______________.
Magnetism
Tripodism
Journalism
Phosphorism
During a solar eclipse the moon looks the same size as the ____________.
Sun
Mars
Moon
Earth
Give one example of an optical instrument.
Wearing glasses with ___________ lenses would help a person who can't see objects far away clearly.
Convex
List the main parts of the eye. There are 6 parts.
Cornea, Iris, Lens, Retina, Optic Nerve, Pupil
Lightning is a form of ________________.
static electricity
A ________ lens is thinner in the middle than at the ends.
Concave
A red pen reflects __________ light.
Red
What phase of the moon is this picture?
Half moon
Give one example of an optical instrument.
Like charges ____________.
nothing
repel
attract
absorb
A black pen reflects _________ light.
No color
A _________ lens is thicker in the middle than at the ends.
Concave
Wearing glasses with __________ lenses would help a person who can't see objects near clearly.
Concave
A green pen reflects __________ light.
Green
What phase of the moon is this picture?
Crescent moon
What phase of the moon is this picture?
Full moon
What phase of the moon is this picture?
Gibbous moon
A yellow pen absorbs _________ light.
All colors but yellow.
A white pen reflects _______ light.
All colors
We can see the moon because it absorbs light from the sun.
False
True
Why does a charged balloon stick to a wall?
Because of static electricity.
Most magnets have large amounts of ______________.
iron
Unlike charges ___________.
nothing
absorb
repel
attract
What is the difference between a short-sighted person and a far-sighted person.
A short sighted person can only see things near, and a far sighted person can only see things far away.
Give one example of an optical instrument.