WorksheetsGrade 6 Science Test
Total questions: 20
Worksheet time: 10mins
What is static friction?
friction between a rolling object and the surface that it is rolling on
friction is friction where an object rubs against another surface
friction of something going through any type of liquid or air
The friction between two objects that are not moving
Why do electricians always wrap wires in plastic?
answer choices
(a) Plastic comes in many different colours
(b) Plastic is a good electrical conductor
(c) Plastic makes the wires easy to bend
(d) Plastic is a good electrical insulator
Which of the following items would conduct electricity?
(a) Plastic ladder
(b) Metal screwdriver
(c) Wooden baseball bat
(d)Rubber flip flops
Which of these materials is a good conductor of electricity?
(a) Metal
(b) Newspaper
(c) Glass
(d) Rubber
The student conducted an experiment with circuits. Why was the bulb bright when he closed the switch?
(a) The switch produced an electric current
(b) Closing the switch broke the circuit
(c) Closing the switch completed the circuit
(d) The switch did not make a difference
A _____ is a(a) force
pull or a push.
(b) friction
(c) gravity
(d) speed
One way that a force can cause the change in an object's motion is to...
(a) do nothing.
(b)eat ice cream.
(c) start the object moving.
(d) shine on the object.
What force moves an object away from you?
(a) pull
(b) push
Why is there less friction between two ice cubes touching than between sandpaper on wood?
.
(a)Ice cubeshave rough surfaces
(b) Ice cubes have loud surfaces.
(c) Ice cubes have smooth surfaces.
(d) Ice cubes have bright surfaces.
How does friction help us move from place to place?
(a) Friction does not help us.
(b) Friction keeps us from slipping and sliding.
(c) Friction only helps cats.
(d) Friction makes us slip and fall.
Why do air planes and race cars have sleek shapes?
(a) to reduce friction from air resistance
(b) to increase air resistance
(c) to look more appealing than cats
(d) so people will buy them
Which of the following is an example of friction that is helpful?
Brakes used on a bike
Tires from a car on the road
Tread on the bottom of your shoes
All are examples that are helpful
Which of the following is an example of friction that is harmful?
Pencil marking on paper
sand placed on ice in the winter
Using an eraser to erase marks
Engine parts wearing out
Which would NOT be a way of reducing friction?
making the surfaces smoother
using lubricants such as waxes, oils, or grease
changing from sliding friction to rolling friction using ball bearings
Using kitty litter on snow and ice to help your car gain traction
What does friction produce?
light
sound
heat
gravity
The upward force which is exerted against a falling object is ?
Gravity
terminal velocity
Air resistance
Inertia
What makes objects fall to the earth
Gravity
Wind
Force
Air Pressure
The amount of matter in an object is its _____________.
Weight
Mass
Force
Why do electricians always wrap wires in plastic?
Plastic comes in many different colors
Plastic is a good electrical conductor
Plastic makes the wires easy to bend
Plastic is a good electrical insulator
Balanced forces can cause?
an object to speed up or slow down
an object to stay still
or move at a constant speed and direction
