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WorksheetsMIDTERM BEED2 - 1A
Total questions: 50
Worksheet time: 25mins
What is distance divided by time?
motion
velocity
acceleration
speed
It is a push or pull exerted on an object in order to change the motion of the object
energy
force
motion
gravity
What are two examples of forces?
Speed and acceleration
A push or pull
A stand or ground
Up and down
What is the Average Speed?
Distance: 10m
Time: 5s
2
1/2
50
100
A _____________________ must be exerted on an object at rest to cause it to move.
weight
inertia
force
gravity
Conductors are materials that _____________.
Allow electricity to pass through
Stop electricity from passing through
Allow some electricity from passing through
All of the above
It is a material that prevents an electric current from flowing.
conductor
insulator
magnetism
electric circuit
Which is the BEST example of a conductor?
wooden block
ceramic mug
glass cup
metal bowl
Which of these objects is an insulator?
copper wire
paper clip
steel pole
rubber gloves
Which of the following is a group of items that can be used to conduct electricity?
paper clip, nail and penny
paper clip, nail and cardboard
rubber-band, eraser, and cotton ball
rubber-band, paper clip and nail
It refers to the ability of materials to take in light and not reflect it back.
Optics
Absorption
Transmission
Block
It refers to the ability of materials to take in light and not reflect it back.
Mirror
Opaque
Transmission
Transparent
It refers to the ability of light passing through some materials
Transmission
Translucent
Transparent
Absorption
What is a circuit?
A pathway that electricity flows in. It has a load, wire, and a taco
A pathway that protons flow in. It has a load, wire, and a power source.
A pathway that electricity flows in. It has a load, wire, and a power source.
A pathway that electricity flows in. It has a load and wire.
Which is a parallel circuit?
Which best describes a simple series circuit?
Electricity flows along one pathway.
The flow of electricity comes from the switch.
Electricity flows along many pathways.
The flow of electricity comes from the light bulb.
Circuits in homes are usually wired in
series
parallel
aluminum wire
series with a fuse
When the circuit is_______,current does not flow
resistors
heat
closed
open
The type of current produced by a battery is:
induced current
alternating current
magnetic current
direct current
Battery is the source of energy or electricity in a circuit and is also called as ______.
bulb
cell
power
wire
Adding more bulb in a simple circuit makes the bulbs _______.
dimmer
brighter
turn off
turn on
The thicker the wire in a simple circuit, the _____ the resistance so more electric current can flow.
more
less
fast
slow
What is a wire in a circuit wrapped around an iron core called?
electromagnet
generator
electric motor
magnetic iron
What is the region of force around a magnet known as?
Magnetic field
magnetic pole
magnetic domain
lodestone
Wrapping a wire in a coil creates
a strong magnetic field
solar energy
new magnets
series circuit
Natural soil erosion is known as ______ erosion.
geological
rill
sheet
gully
The following defines soil erosion, EXCEPT:
a natural process and removal of soil from one location another
the process in which the topsoil is carried away by physical sources
the process of breaking down of rocks to small particles
gradual process of movement and transport of the upper layer of soil by different agents
Which of these can occur due to soil erosion?
pollute bodies of water
create acid rain
rain mud
pollute air
Which of the following is a cause of soil erosion?
air pollution
low organic matter
forestry
resin
Which of these is MOSTLY compromised during soil erosion?
politics
agriculture
food
safety
A _____ moves an object closer to you.
push
pull
friction
cat
____ is the force that slows and stops motion between touching objects.
friction
gravity
pull
push
Cream is standing on a sidewalk when K rides past her on a bicycle. What is true about K's motion?
Cream is moving relative to the sidewalk
K is moving relative to Cream
K is moving relative to his bicycle
both are moving relative to the sidewalk
When an object’s distance from another object is changing...
it is in motion
it is speeding
it has a high velocity
it is accelerating
Speed is equal to distance divided by _____.
time
velocity
acceleration
motion
A place or object used for comparison to determine if something is in motion is called ________.
a position
a reference point
a constant
velocity
If you know the distance an object has traveled in a certain amount of time, you can determine the _____ of the object.
size
speed
location
acceleration
If a bicyclist travels 40 kilometers in two hours, her average speed is _______.
30 km/hr
15 km/hr
20 hm/hr
2 km/hr
A reference point is assumed to be
moving
invisible
stationary
speeding
A change in an object's position relative to a reference point is called
motion
speed
constant
slope
A reference point is identified by finding
the location of an object
the line or path in which something is moving
the change in position
the distance and direction of an object's change
Why are metals useful for making electrical wire?
Metals do not bend
Metals hold much heat
Metals are insulators
Metals are conductors
What is the difference between a conductor and an insulator?
An insulator allows electricity to flow through it easily and a conductor does not
A conductor allows electricity to flow through it easily and an insulator does not.
An insulator is magnetic and a conductor is not
A conductor is magnetic and an insulator is not
What are conductors used for?
to stop electricity from moving
to protect you from electricity
to move electricity from one place to another
Which object would absorb the most lights and heat?
black shirt
green leaf
red apple
white car
The scientific study of light and how it interacts with different objects.
Transmission
Optics
Refraction
Absorption
The bending of light as it passes through a different materials.
Refraction
Reflection
Transmission
Absorption
The taking in of light and not reflecting it back by some
Transmission
Transparent
Refraction
Absorption
What happens when light strikes any shiny surface, like a mirror?
it reflects
it refracts
it gets absorbed
it changes color
How does light travel?
in zigzags
in waves
in circles
all over the place
