AC Ep 6th Grade 2012 Final Practice Science Exam (3units)
.jpg "AC Ep 6th Grade 2012 Final Practice Science Exam (3units) - Quiz")
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.- A.
Rough
- B.
Non-streamlined
- C.
Streamlined
- D.
Hydrodynamic
- 2.
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 ________________.
- 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 ____________.
- 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 _________________.
- 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 ______
- A.
Velocity
- B.
Fear
- C.
Gravity
- D.
Air resistance
- 8.
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.
- A.
Opposite
- B.
Equivalent
- C.
Unequal
- D.
Uneven
- 10.
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 ____________________________.
- 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 ____________________.
- A.
Lubrication
- B.
Honey
- C.
Soap
- D.
Sugar
- 17.
This symbol means _________________.
- A.
Toxic
- B.
Irritant
- C.
Harmful
- D.
Explosive
- 18.
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 .
- 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 ___________.
- 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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