The Universe
Light
Force
Magnetism
Vocabulary
100
The Earth rotates on its axis causes which of the following.
A)Day and Night
B) Changing months
C) Earth's year
D)Moon revolving around Earth
What is A)Day and Night?
100
What is being transferred with a wave?
A matter B medium
C energy D water
What is Energy?
100
What is the net force on the box in the following image?
A 10 N to the left B 5 N to the right
C) 0 N to the right D)10 N to the right
What is D)10 N to the right?
100
Which of the following best describes what happens if you increase the number of turns of wire in an electromagnet?
A The wire burns up.
B The magnetic field gets bigger.
C The magnet’s strength lessens.
D The magnetic field reverses poles.
What is B The magnetic field gets bigger.?
100
A push or pull
What is force?
200
Astronauts in space would not be able to hear a landslide on the Moon because
A) the lunar dust deadens sounds.
B) intensive sunlight destroys sound waves.
C) the magnetic field of the Moon is too weak to carry sound .
D there are no air molecules on the Moon to carry sound.
What is D) there are no air molecules on the Moon to carry sound?
200
What color do we see when all light is reflected?
A) white B) red
C) black D) rainbow
What is A) White?
200
What is A?
200
A student places one magnet above another magnet as shown below.Why does the top magnet appear to float above the bottom magnet?
A The magnets are made of different materials.
B The like poles of the magnets repel each other.
C The opposite poles of the magnets repel each other.
D The magnets have a different gravitational pull.
What is B The like poles of the magnets repel each other?
200
Allows electricity to follow
What is a conductor?
300
What location has the similar amounts of solar radiation year round?
A) north pole
B) equator
C) south pole
D) axis
What is B) equator?
300
What is the visible light spectrum in order?
A) red, orange, yellow, green, blue, indigo, violet
B) orange, blue, green, yellow, red, violet, indigo
C) red, green, blue, orange, violet, yellow, indigo
D) yellow, blue, red, green, violet, orange, indigo
What is A) A) red, orange, yellow, green, blue, indigo, violet?
300
What is 2?
300
Which of the following best describes what happens to the force of attraction if the distance between two objects is decreased?
A It varies. B It increases.
C It decreases. D It stays the same.
What is B) It increases?
300
Energy from the sun
What is Solar energy?
400
Which object has the greatest influence on tides?
A) sun
B) earth
C) moon
D) atmosphere
What is C) moon?
400
What allows us see the color green?
A) The green wavelength is absorbed.
B) The green wavelength is reflected.
C) All colors but green are reflected back.
D)The green wavelength vibrates the air particles
What is B) The green wavelength is reflected.
400
What is position 1?
400
Doubting Dennis doesn't believe in electromagnetism so he makes an electromagnet to prove his teacher wrong. To his surprise, the electromagnet works and he's able to pick up metal objects with it. Even still, he's not satisfied with his electromagnet because it's very weak. What can he do to make it stronger? Circle the best answers
a) use a stronger battery
b) use a plastic nail
c) wrap the wire around the nail more times
d) use a weaker battery
e) glue the wire to the nail
What is A and C?
400
Light that we can see
What is Visible light?
500
The Earth orbits around the Sun , this causes which of the following.
A)Day and Night
B) Changing months
C) Earth's year
D) Moon revolving around Earth
What is C) Earth's year?
500
A pencil is sitting in a bowl of water and looks like it has a bend to it. What is the best explanation for what looks like a kink in the pencil?
A) partially broken pencil
b) reflection of light
c)manufacturing defect
d)refraction of light
What is d)refraction of light?
500
What is 75N
500
Two positively charged objects are separated by a large distance. One of the positively charged objects is replaced by a negatively charged object, and the two objects are moved closer to each other.
Which of the following occurs in this situation?
A) The attractive force becomes a repulsive force, which increases as the objects move closer to each other
B) The repulsive force becomes an attractive force, which increases as the objects move closer to each other.
C) The attractive force becomes a repulsive force, which decreases as the objects move closer to each other.
D) The repulsive force becomes an attractive force, which decreases as the objects move closer to each other.
What is B) The repulsive force becomes an attractive force, which increases as the objects move closer to each other.?
500
a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter
What is a galaxy?