Vocab
To push away from is ______
a. Attract
b. Force
c. Motion
d. Repel
What is:
D. Repel
True or false:
Gravity is only on our planet Earth.
What is:
False
What type of force is holding these letters on the refrigerator?
A. gravity
B. magnetism
C. applied force
D. A and B
What is:
b. magnetism
True or False:
Patterns of motion are predictable?
What is:
True
________ is defined as a change in the position of an
object.
A. friction
B. motion
C. magnetism
D. force
What is:
b. motion
A push or pull is _______
a. Force
b. Motion
c. Friction
d. Gravity
What is:
a. Force
Which object below would exert the least gravitational pull on another object?
A. an airplane
B. an elephant
C. a car
D. a person
What is:
d. a person
. What are magnets not made out of?
a. Iron
b. Nickel
c. Cobalt
d. Aluminum
What is:
d. aluminum
In Tug-of-War, one team will begin to win is an example of?
a. Balanced Forces
b. Unbalanced Forces
c. Force
d. Motion
b. unbalanced forces
About 800 years ago, Petrus Peregrinus de Maricourt invented what tool that we still use today?
a. Trains
b. Stud finder
c. Refrigerators
d. Compasses
What is:
d. compasses
A force that occurs between objects that are touching is ______
a. friction
b. magnetism
c. Balanced Forces
What is:
a. Friction
What type of force causes the skydiver to fall towards the ground?
A. gravity
B. magnetism
C. applied force
D. All of the above
What is:
a. gravity
Magnets...
a. attract
b. repel
c. attract and repel
d. do none of the above
What is:
C. attract and repel
Which force below does NOT require direct contact between objects?
a. gravity
b. magnetism
c. applied force
d. A and B
What is:
b. magnetism
What do engineers use to reduce friction between machine parts?
a. Lubricants
b. Water and air
c. Contact Force
d. All of the above
What is:
a. lubricants
A force that can push or pull on some materials without touching them is _____
a. Contact force
b. unbalanced forces
c. Magnetism
d. Balanced forces
What is:
c. magnetism
__________ is the force of attraction that causes certain objects to attract and/or repel each other.
A. Magnetism
B. Gravity
C. Friction
D. Applied force
What is:
a. magnetism
Which of the following statements is NOT true?
A. Magnetism is a force which exists in nature.
B. Like magnetic forces attract each other.
C. Magnetic forces can repel each other.
D. Magnets have a north pole and a south pole.
What is:
b. like magnetic forces attract each other.
What type of force occurs to knock the bowling pins down?
A. applied force
B. gravity
C. magnetism
D. All of the above
What is:
a. applied force
Whose inventions helped shape the Industrial Revolution?
a. Elijah McCoy
b. Thomas Edison
c. Benjamin Franklin
d. Joe Biden
What is:
a. Elijah McCoy
A collection of forces acting on an object that cancel each other out and produce no change in the object’s motion is ______
a. Motion
b. Balanced forces
c. Contact force
d. Friction
What is:
b. Balanced Forces
a. the more mass an object has, the greater its gravitational true
b. gravity is one type of applied force
c.magnetism requires direct contact between objects
d. all of the above are true
What is:
A: the more mass an object has, the greater its gravitational true
Gravity and magnetism are types of _________.
A. motion
B. objects
C. magnetism
D. forces
What is:
d. forces
________ is/are the act of applying force to move something towards you
A. A push
B. A pull
C. Both of the above
D. None of the above
What is:
b. a pull
Maglevs is short for magnetic Levitations. Levitation means?
a. The force of gravity
b. Floating in the air
c. Pollution control
d. None of the above
What is:
b. floating in the air