AC Ep 6th Grade 2012 Final Practice Science Exam (3units)
.jpg "AC Ep 6th Grade 2012 Final Practice Science Exam (3units)")
This practice exam is to help students determine which units or content they still need to review more.
- 1.
![The motorcycle in this picture is an example of engineers using a ___________________ shape. - ProProfs]( "The motorcycle in this picture is an example of engineers using a ___________________ shape.")
The motorcycle in this picture is an example of engineers using a ___________________ shape.- A.
Rough
- B.
Non-streamlined
- C.
Streamlined
- D.
Hydrodynamic
- 2.
![The bicycle in the picture is designed this way to improve speed by reducing ____________.
- ProProfs]( "The bicycle in the picture is designed this way to improve speed by reducing ____________.")
The bicycle in the picture is designed this way to improve speed by reducing ____________.- A.
Water resistance
- B.
Air resistance
- C.
Pollution
- D.
Speed resistance
- 3.
![An airplane is streamlined for travelling through the air quickly so it is ________________.
- ProProfs]( "An airplane is streamlined for travelling through the air quickly so it is ________________.")
An airplane is streamlined for travelling through the air quickly so it is ________________.- A.
hydrodynamic
- B.
Aerodynamic
- C.
Rough
- D.
Angled
- 4.
![The person on this bicycle is affected by three kinds of forces, friction with the road, air resistance and ____________. - ProProfs]( "The person on this bicycle is affected by three kinds of forces, friction with the road, air resistance and ____________.")
The person on this bicycle is affected by three kinds of forces, friction with the road, air resistance and ____________.- A.
Gravity
- B.
Drag
- C.
Turbulence
- D.
Push
- 5.What colour is universal indicator when it is mixed with natural water?
- A.
Blue
- B.
Green
- C.
Yellow
- D.
Purple
- 6.
![The roller blade in this picture reduces friction by _________________. - ProProfs]( "The roller blade in this picture reduces friction by _________________.")
The roller blade in this picture reduces friction by _________________.- A.
Increasing the amount of wheel surface in contact with the road.
- B.
Decrease the amount of wheel surface in contact with the road
- C.
Having light wheels
- D.
Having aluminum boots
- 7.
![The force making this man fall is ______
- ProProfs]( "The force making this man fall is ______")
The force making this man fall is ______- A.
Velocity
- B.
Fear
- C.
Gravity
- D.
Air resistance
- 8.
![The effect of friction slowing down an object as it moves through water is ___________
- ProProfs]( "The effect of friction slowing down an object as it moves through water is ___________")
The effect of friction slowing down an object as it moves through water is ___________- A.
Water pressure
- B.
Air resistance
- C.
Water resistance
- D.
Inertia
- 9.
![Newton’s third law says that for every action there is an __________ and equal reaction.
- ProProfs]( "Newton’s third law says that for every action there is an __________ and equal reaction.")
Newton’s third law says that for every action there is an __________ and equal reaction.- A.
Opposite
- B.
Equivalent
- C.
Unequal
- D.
Uneven
- 10.
![The device used to measure force is called a ___________________. - ProProfs]( "The device used to measure force is called a ___________________.")
The device used to measure force is called a ___________________.- A.
Barometer
- B.
Newton meter
- C.
Anemometer
- D.
Hydrometer
- 11.The unit used to measure force is the _______________.
- A.
Cm2
- B.
Newton
- C.
Dc
- D.
M3
- 12.If the acceleration of an object is 12m/s/s and the force is 100 n then what is the mass of the object?
- A.
.83 g
- B.
8.33 g
- C.
83.3 g
- D.
0 g
- 13.The formula F=ma refers to which of Newton's three laws of motion?
- A.
Law 1
- B.
Law 2
- C.
Law 3
- 14.Find the force of a motorcycle that has a mass of 200Kg and an acceleration of 25 m/s.
- A.
500n
- B.
7368n
- C.
5000n
- D.
8000n
- 15.
![Sir Isaac Newton was famous for discovering the three laws of motion and the ____________________________.
- ProProfs]( "Sir Isaac Newton was famous for discovering the three laws of motion and the ____________________________.")
Sir Isaac Newton was famous for discovering the three laws of motion and the ____________________________.- A.
Universal law of friction
- B.
Universal law of gravity
- C.
Universal theory of gravity
- D.
Gravity
- 16.
![To reduce friction in a car engine you could add ____________________. - ProProfs]( "To reduce friction in a car engine you could add ____________________.")
To reduce friction in a car engine you could add ____________________.- A.
Lubrication
- B.
Honey
- C.
Soap
- D.
Sugar
- 17.
![This symbol means _________________. - ProProfs]( "This symbol means _________________.")
This symbol means _________________.- A.
Toxic
- B.
Irritant
- C.
Harmful
- D.
Explosive
- 18.
![Would this symbol apply to the alkali metal sodium?
- ProProfs]( "Would this symbol apply to the alkali metal sodium?")
Would this symbol apply to the alkali metal sodium?- A.
True
- B.
False
- 19.Citric acid would have what number on the pH scale?
- A.
PH 1
- B.
PH 12
- C.
PH 5
- D.
PH 8
- 20.An example of a liquid with a low viscosity is______________.
- A.
Ketchup
- B.
Honey
- C.
Oil
- D.
Lemon juice
- 21.
![The reaction of an acid and base is called
.
- ProProfs]( "The reaction of an acid and base is called
.")
The reaction of an acid and base is called .- A.
Fertilization
- B.
Neutralization
- C.
Dissolving
- D.
Explosion
- 22.Which of the following chemical substances are alkali?
- A.
Dish soap
- B.
Citric acid
- C.
Sodium hydroxide
- D.
Hydrogen
- 23.
![The following piece of lab equipment is called a ___________.
- ProProfs]( "The following piece of lab equipment is called a ___________.")
The following piece of lab equipment is called a ___________.- A.
Beaker
- B.
Conical flask
- C.
Test tube
- D.
Graduated cylinder
- 24.Does the force of friction still happen out in space?
- A.
True
- B.
False
- 25.When friction force occurs between two objects energy is released in the form of _____________.
- A.
Rubbing
- B.
Heat
- C.
Cold
- D.
Melting
.jpg "The roller blade in this picture reduces friction by _________________.")
.jpg "The effect of friction slowing down an object as it moves through water is ___________")
.jpg "To reduce friction in a car engine you could add ____________________.")
.jpg "The reaction of an acid and base is called
.")
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