Assessment
Directions: Write the letter of the correct answer on your paper.
1. Which of the following shows the presence of friction?
A. cars continuously roll down hills
B. things fall off on smooth surfaces
C. people stay in place as they move
D. cars stop when the driver steps on the brakes
2. What will happen if you always scrub your pans with steel wool?
A. They will be rusty.
B. They will last longer
C. They will be worn out.
D. They will be more serviceable.
3. All of these are desirable effects of friction except one. Which is not?
A. Friction produces a lot of heat.
B. It helps us in movement.
C. It helps to stop a moving object like a car.
D. It slows things down and stop stationary things from moving.
4.When
a
person
moves
on ice, it becomes difficult to walk due to
A. the rough soles of the shoe
B. strong friction of the ice with the shoe.
C. the low friction of the ice with the shoe.
D. absence of friction of the ice with the shoe.
5.Without friction, animals would
A have difficulty in standing.
B.have easy for them to walk and run
C.have make them carry their load easily.
D have make them possible to stand their feet firmly on the ground
6.What happen if you strike a match against the side of a matchbox?
A. Explosion will occur.
B. Light will be put out.
C. Friction will produce flame. D. Matchstick be thrown away.
7.Drivers driving on a wet road are advised to slow down. Why?
A.To avoid skidding so that the tires will last longer.
B.To save on fuel. Tires moving on wet road uses more fuel.
C.To save on fuel. Tires moving on wet road uses less fuel.
D. To avoid skidding because friction between the tires and the wet road is
less.
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Assessment
Directions: Write the letter of the correct answer on your paper.
1. Which of the following shows the presence of friction?
A. cars continuously roll down hills
B. things fall off on smooth surfaces
C. people stay in place as they move
D. cars stop when the driver steps on the brakes
2. What will happen if you always scrub your pans with steel wool?
A. They will be rusty.
B. They will last longer
C. They will be worn out.
D. They will be more serviceable.
3. All of these are desirable effects of friction except one. Which is not?
A. Friction produces a lot of heat.
B. It helps us in movement.
C. It helps to stop a moving object like a car.
D. It slows things down and stop stationary things from moving.
4.When
a
person
moves
on ice, it becomes difficult to walk due to
A. the rough soles of the shoe
B. strong friction of the ice with the shoe.
C. the low friction of the ice with the shoe.
D. absence of friction of the ice with the shoe.
5.Without friction, animals would
A have difficulty in standing.
B.have easy for them to walk and run
C.have make them carry their load easily.
D have make them possible to stand their feet firmly on the ground
6.What happen if you strike a match against the side of a matchbox?
A. Explosion will occur.
B. Light will be put out.
C. Friction will produce flame. D. Matchstick be thrown away.
7.Drivers driving on a wet road are advised to slow down. Why?
A.To avoid skidding so that the tires will last longer.
B.To save on fuel. Tires moving on wet road uses more fuel.
C.To save on fuel. Tires moving on wet road uses less fuel.
D. To avoid skidding because friction between the tires and the wet road is
less.
Answer:
Explanation:
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