Amusement Park Motion
A. arcade at a shopping mall
B. sports center
C. amusement park
D. bumper car factor
C. Amusement Park
A. to make the reader feel as though he or she is at an amusement park
B. to illustrate what momentum is in a confusing way that the reader cannot understand
C. to illustrate what momentum is with examples that are most likely familiar to the reader
D. to illustrate what momentum is with examples that are most likely unfamiliar to the reader
C. to illustrate what momentum is with examples that are most likely familiar to the reader
A. rocks
B. clownfish
C. ships
D. living structures
D. living structures
A. amusement park concessions
B. ways momentum is used at an amusement park
C. amusement park rides
D. prizes won at an amusement park
B. Correct answer ways momentum is used at an amusement park
________ children are too young to drive real cars, they are allowed to drive bumper cars at amusement parks.
A. Therefore
B. Obviously
C. Initially
D. Although
D. Although
A. They damage reefs and cause them to disappear.
B. They scare away clownfish so they can't damage reefs.
C. They find damaged reefs for scientists to try to save.
D. They return polyps to the reefs so reefs can grow
A. They damage reefs and cause them to disappear.
"Hundreds of clownfish dart in and out of the gaps in coral reefs. The reefs are home to thousands of ocean plants and animals."
In this sentence, what does the word “dart” most closely mean?
A. fill up
B. move or swim quickly
C. look at
D. leave or avoid
B. move or swim quickly
A. “She’s sitting still, caught in something of a bumper car traffic jam.”
B. “Then he slams his car into hers.”
C. “The boy sets his sights on a long-haired girl in a green car.”
D. “The collision stops his car in its tracks, but it sends her car sailing away from his.”
D. Correct answer “The collision stops his car in its tracks, but it sends her car sailing away from his.”
8. How is the momentum of an object determined?
The momentum of an object is determined by the object’s mass and velocity.
"What is causing coral reefs to disappear? Scientists say people are largely to blame. Ships and fishing nets often damage the reefs. Other threats include pollution, storms, and disease."
What conclusion can you draw from this evidence?
A. Fish work hard to protect coral reefs from damage.
B. Humans damage coral reefs in several different ways.
C. Storms are the most damaging threat to coral reefs.
D. Fishers try to catch the coral reefs in their nets to sell.
B. Humans damage coral reefs in several different ways.
Lots of animals live in coral reefs, ________ fish, crabs, turtles, and sea horses.
A. after
B. so
C. and
D. including
D. including
What conclusion can you draw about the cue ball?
A. It gradually lost its momentum.
B. It hit three different balls.
C. It was very heavy.
D. It was moving slowly
A. It gradually lost its momentum.
9. What happens every time one of the boys playing ping pong hits the ball?
A. for the destruction of coral reefs to stop
B. for coral reefs around the world to disappear
C. for fishers to get rid of sea horses
D. for coral reefs to look less like rocks
A. for the destruction of coral reefs to stop
A protected area is somewhere that fishing is not allowed.
A. different kinds of arcades
B. examples of motion and momentum
C. knocking over milk bottles
D. why bumper cars are fun
B. examples of motion and momentum
He could swing his paddle and hit the ball with less velocity
A. One famous coral reef in the world is the Great Barrier Reef in Australia and another one is the Rainbow Reef in Fiji.
B. Coral reefs are living structures that are mostly being damaged by people, and scientists are working hard to protect them.
C. Ocean plants and animals like clownfish, crabs, turtles, and sea horses live in coral reefs.
D. Coral polyps are tiny creatures that attach to old polyp shells and build hard shells around themselves.
B. Coral reefs are living structures that are mostly being damaged by people, and scientists are working hard to protect them.
Scientists are mapping and studying coral reefs and adding more protected areas to the ocean.