Friction 2 worksheet
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Medium
+2
Standards-aligned
Patrick Merrick
Used 2+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The difference between dry friction and fluid friction is:
Dry friction occurs between touching surfaces, while fluid friction occurs when one object is inside another.
Dry friction is always greater than fluid friction.
Fluid friction is independent of the velocity of the moving object.
Dry friction only occurs when there are 3 objects.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The space shuttle gets so hot when it reenters our atmosphere because:
it speeds up as it descends, causing friction with the air.
it slows down, causing heat to build up.
it is heated by the sun's rays.
it is powered by its engines during reentry.
Tags
NGSS.MS-PS2-2
NGSS.MS-PS3-1
NGSS.MS-PS3-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dry or surface friction depends on:
the nature of the surfaces in contact
the area of contact
the speed of movement
the temperature of the surfaces
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fluid friction depends on:
the shape of the object
the weight of the object
mu
all of the above
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fluid friction occurs because:
fluid particles must be pushed out of the way before something moves
fluids are weightless
everything is attracted to the center of mass
positive and negative parts of atoms atract
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bernoulli’s Principle states that:
the pressure of a fluid decreases as its velocity increases
the pressure of a fluid increases as its velocity increases
the pressure of a fluid remains constant regardless of its velocity
the pressure of a fluid is independent of its velocity
Tags
NGSS.MS-ESS2-5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The shape of an airplane wing helps it to fly by creating a difference in air pressure above and below the wing, resulting in lift.
By creating a difference in air pressure above and below the wing, resulting in lift.
By increasing the weight of the airplane.
By reducing the speed of the airplane.
By making the airplane more aerodynamic.
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