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Total questions: 111

Worksheet time: 2hrs 15mins

Name
Class
Date
1.

What happens when one bulb goes out in this circuit

a)

the rest will go out

b)

the other become brighter

2.

When more bulbs are added to this circuit what happens

a)

The other bulbs will go out

b)

The other bulbs will get dimmer

3.

What type of circuit is this considered

a)

Parallel

b)

Series

4.

When two bulbs are wired in this way, when one bulb goes out, the other goes out.

a)

Parallel

b)

Series

5.

What type of circuit is this

a)

Parellel

b)

Series

6.

What will happen if one light bulb is removed from this circuit?

a)

The other bulbs will go out

b)

The other bulb will stay on

7.

Pick the correct sentence

a)

This circuit will work because it is a closed circuit.

b)

This circuit will not work because there is no energy source.

8.

What are three things all circuits must have?

a)

Switch, conductor, light bulb

b)

Power source, conductor, load (such as a light bulb)

9.

Which of these materials is a good insulator?

a)

Plastic and rubber

b)

Metal and rubber

10.

This circuit has more than one loop. When one light goes out, the others stay on. 

a)

closed

b)

parallel

11.

A material that allows electricity to flow easily

a)

resistance

b)

conductor

12.

Metal is a _____.

a)

Insulator

b)

Conductor

13.

Wood is a ______.

a)

Insulator

b)

Conductor

14.

If the ammeter says the current is 5A, what is the current flowing through one bulb?

a)

5A

b)

0

15.

What can you say about the current in the series circuit?

a)

it changes constantly

b)

it is the same everywhere

16.
What is an electrical circuit?
a)

lets you turn the energy on and off

b)

a closed path where where electricity flows

17.
This is the circuit symbol for ...
a)

a DC current source

b)

a battery

18.
This is the symbol for a _____?
a)

Lamp

b)

Loudspeaker

19.

Current is measured in

a)

Seconds

b)

Amps

20.

What is the name of the device which measures current?

a)

ammeter

b)

voltmeter

21.

In a parallel circuit which of the following is the same throughout each branch of the circuit?

a)

Voltage

b)

Current

22.
In a parallel circuit which of the following varies based on the amount of resistance
a)

Current

b)

Ohms Law

23.

What happens to my total current as I add more branches to a parallel circuit?

a)

Increases

b)

Stays the same

24.
Electricity is the flow of _________.
a)

neutrons

b)

electrons

25.
What is current measured in?
a)

Ω (Ohms)

b)

A (Amps)

26.
What size resistor would produce a 3 Amp current flow with a 12 Volt battery
a)

1 Ohm

b)

4 Ohms

27.
What is resistance measured in?
a)

Ω (Ohms)

b)

V (Volts)

28.
Current times Resistance equals
 (I X R)
a)

Power

b)

Voltage

29.

Voltage divided by Resistance

(V / R)

a)

Current

b)

Power

30.
How many Volts would it take to push 1 Amp through a resistance of 1 Ohm
a)

10 volt

b)

5 volts

31.

What needs to be done to this circuit so that the lamp lights up?

a)

Close the switch

b)

Add a source and close the switch

32.

This circuit is .....?

a)

open

b)

closed

33.
The mathematical relationship among Voltage, Current, and Resistance
a)

Faraday's Law

b)

Ohm's Law

34.
What is this symbol?
a)

resistor

b)

battery

35.
Electricity that flows in a closed path is called a
a)

current

b)

circuit

36.
What is Resistance?
a)

A battery

b)

The ability to reduce the flow of electrons

37.

Morse code works with pulses through __________ to another machine.

a)

Sound

b)

Electricity

38.

The Morse code’s letters and numbers are a sequence of short and long pulses which would be thought of as __________

a)

Dots and commas

b)

Dots and dashes

39.

A device that increases or deceases voltage, which often consists of two separate coils of insulated wire wrapped around an iron core.

a)

transformer

b)

solenoid

40.

A device that transforms mechanical energy into electrical energy

a)

generator

b)

magnet

41.

The process of generating an electric current from the motion of a conductor through a magnetic field

a)

electromagnetic induction

b)

static electricity

42.

A coil of wire with a current

a)

solenoid

b)

electric motor

43.

The relationship between electricity and magnetism

a)

electromagnetism

b)

static electricity

44.

The region around a magnet where the magnetic force is exerted

a)

magnetic field

b)

magnetic pole

45.

The ends of a magnetic object, where the magnetic force is the strongest

a)

magnetic pole

b)

generator

46.

A force produced when magnetic poles interact

a)

magnetic force

b)

magnetism

47.

Any material that attracts iron and materials that contain iron

a)

magnet

b)

electron

48.

A buildup of charges on an object

a)

static electricity

b)

electromagnetic induction

49.

The region around a charged object where the object's electric force is exerted on other charged objects

a)

electric field

b)

electron

50.

The force between charged objects

a)

electric force

b)

electric field

51.

The force of attraction or repulsion of magnetic materials

a)

magnetism

b)

magnetic force

52.

Motor or Generator?

a)

Motor:

Input: electrical

Output: mechanical

b)

Motor:

Input: mechanical

Output: electrical

53.
What tool do you use to view the cells?
a)

metric ruler

b)

microscope

54.
Which of the following is NOT a cell theory.
a)

All non-living things are made of cells

b)

All cells come from pre-existing cells

55.
All living things are made up of...
a)

cells

b)

organ

56.
All cells come from___________ cells.
a)

pre

b)

pre-existing

57.
What is the basic structural and functional unit of all living things? 
a)

atom

b)

cell

58.
An organism made of one cell is called
a)
unicellular organism
b)
multicellular organism
59.

There are three tenets of the Cell Theory. Which of the following is NOT a tenet?

a)

Cells are the basic structure and function of life.

b)

All living things are made of one or more cells.

c)

The cell is the basic unit of matter.

d)

All cells come from preexisting cells.

60.

This organelle takes sugar and turns it into ENERGY for plant and animal cells.

a)

Chloroplast

b)

Mitochondria

61.
Which organelle is only found in a plant cell? 
a)

nucleus

b)

chloroplast

62.
Directs all cell activities through the DNA located there.
a)

Lysosomes

b)

Nucleus

63.
I am the outer most layer of an animal cell. What am I?
a)

nucleus

b)

cell membrane 

64.
A rigid layer that lies outside of the cell's  membrane in a plant cell is...
a)

Cytoskeleton

b)

Cell Wall

65.
"Storage tanks" Can hold food, water or waste for the cell
a)

Vacuole

b)

Nucleolus

66.

I am fluid filled within the cell

a)

Mitochondrion

b)

cytoplasm

67.

Photosynthesis is the process where:

a)

Plants turn green

b)

Plants make their own food

68.

Photosynthesis could not happen without

a)

The sun

b)

Their flowers

69.

The two REACTANTS of photosynthesis are

a)

Water and Carbon Dioxide

b)

Water and Oxygen

70.

Photosynthesis takes place in a plant's...

a)

Roots

b)

Leaves

71.

During photosynthesis, the energy from the sun is used to split water molecules into hydrogen and oxygen.

a)

True

b)

False

72.

Why do humans NEED plants to survive?

a)

We eat them for energy

b)

We breath the oxygen they release

73.

___ is the process that cells use to take energy from glucose.

a)

cellular respiration

b)

photosynthesis

74.

The ___ is the cell part (organelle) inside cells where cellular respiration happens.

a)

mitochondria

b)

nucleus

75.

In a cell, the mitochondria is like the ___.

a)

powerhouse

b)

kitchen

c)

control center

d)

highway system

76.

___ is needed for cellular respiration, it is absorbed from the air.

a)

oxygen

b)

glucose

77.

The primary purpose of cellular respiration is to produce ___.

a)

ATP

b)

sugar

78.

Cellular respiration and photosynthesis are ___.

a)

exact opposites

b)

not important for life

79.

Cellular respiration ___ glucose molecules.

a)

breaks

b)

makes

80.

In the human body, our ___ system moves our blood - which contains both glucose and oxygen - to every cell.

a)

circulatory

b)

digestive

81.

Which of the following is the word equation for cellular respiration?

a)

glucose + oxygen ---> ATP + carbon dioxide + water

b)

carbon dioxide + water ---> ATP + glucose + oxygen

82.

What is a Neuron?

a)

A cell

b)

A transmitter to transmit messages to cells

83.

What is the largest part of the brain?

a)

Cerebrum

b)

Dura mater

84.
The purpose of the immune system is to:
a)

Help germs invade your body

b)

Fight off sickness

85.
What is the first barrier against disease?
a)

Red blood cells

b)

the skin

86.

Which type of invader will antibiotics help your body fight off?

a)

Virus

b)

Bacteria

87.

What micro-organism is responsible for causing disease?

a)

Pathogen

b)

Antibodies

88.

Birds eat insects off the skin of cows. If the relationship is a type of mutualism, then the organisms that will benefit are

a)

neither the birds or the cattle

b)

both the birds and the cattle

89.
Which relationship describes predator/prey
a)

hawks and shrubs

b)

mountain lion and deer

90.
A diagram that shows the amount of energy that moves from one feeding level to another is termed..
a)

energy pyramid

b)

adaptation

91.
a system of food chains that shows the transfer of energy  is termed
a)

food web

b)

prey

92.
an organism that can produce its own food through photosynthesis
a)

autotroph

b)

herbivore

93.
an example of producer consumer relationship would be
a)

lion eating a deer

b)

grasshopper getting energy from grass

94.
About how much percent of energy is passed on from one organism to to the next on a food web pyramid. 
a)

100 percent of all energy gets passed

b)

10 percent of all energy gets passed

95.

Termites are tiny insects that can cause severe damage to homes and other structures that consist of wood. Termites are an example of what type of factor.

a)

Biotic

b)

Abiotic

96.

An arctic blast pushed its way through several of the Northern state in the United State. The temperatures dropped below freezing for several days. Temperature is an example of which type of factor?

a)

Biotic

b)

Abiotic

97.

Which is an example of a seasonal change to a biotic factor?

a)

Hours of sunlight increase the summer.

b)

Birds fly south for the winter.

98.

A prairie dog, a hawk, and a badger all are members of the same ________________.

a)

niche

b)

community

99.

A(n) ______ is a group of organisms that are have similar characteristics and can mate with each other to produce offspring that can also mate and reproduce.

a)

species

b)

population

100.

An organism that hunts other animals is a _______.

a)

Predator

b)

Prey

101.

Which picture below is a decomposer?

a)
b)
102.
Maria and her classmates are observing animals at the pond. They notice that wood storks and ibisies both feed on fish. Which of these describes the relationship between these two birds.
a)

Parasitism

b)

Competition

103.
Which of these describes a mutually beneficial relationship between two organisms?
a)

A turtle and a snail that both eat grass live in a river

b)

A honeybee pollinating a plant and receiving nectar for food

104.

What would happen to the bird if the green fish died out?

a)

the bird population would grow

b)

the bird population would die out

105.

Which organisms eat only producers?

a)

Tertiary Consumers

b)

Primary Consumers

106.
In an energy pyramid, energy_______ as you move up the pyramid.
a)

Increases

b)

Decreases

107.
Cows eat grass and corn. This energy role is
a)

omnivore

b)

herbivore

108.

Type of symbiotic relationship where BOTH species benefit from the relationship.

a)

Mutualism

b)

Commensalism

c)

Parasitism

109.

_______ is when members of different species live in close association, and at least one species benefits.

a)

Competition

b)

Symbiosis

110.

_____ is an interaction that results when a resource is in short supply.

a)

Symbiosis

b)

Competition

111.

The primary voltage in a device is 25 V and the primary loops are 40. The secondary coil has 30 V. Calculate the secondary voltage in the device.

4 lines

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