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ENC-QUIZ

Total questions: 75

Worksheet time: 2hrs 37mins

Name
Class
Date
1.
Why is solar energy considered renewable energy?
a)
It's cheaper than fossil fuels
b)
The sun's energy would not run out for billions of years
c)
Solar energy recharges batteries
d)
All of them
2.

Renewable energy resources produce less_____________ than fossil fuels.

a)

pollution

b)

energy

c)

wind

d)

light

3.
_____________ power is electricity produced by flowing water.
a)
Solar 
b)
Wind 
c)
Hydroelectric 
d)
water
4.
Wind Energy is...
a)
 Energy that comes from harnessing the movement of the air
b)
Energy that comes from the Sun
c)
A source of renewable energy, such as solar, wind, or geothermal energy
d)
Fuel from plant material
5.
The house illustrated here uses panels on the roof to collect a natural resource and convert it into electricity that can be used.
Which alternative energy source does this house use?
a)
Water
b)
Wind
c)
Solar
d)
Geothermal
6.
Heat transferred from beneath the surface of Earth and used to produce energy for human use is...
a)
Hydropower
b)
Wind Energy
c)
Geothermal Energy
d)
Solar Energy
7.

All of the following are considered renewable energy sources EXCEPT –

a)

Wind

b)

Coal

c)

Biomass

d)

Solar

8.

Which one of these is NOT a type of renewable energy?

a)

solar

b)

wind

c)

biomass

d)

nuclear

9.
What are two advantages of geothermal energy?
a)
cheap and a lot pollution
b)
expensive and a lot of pollution
c)
cheap and little pollution
d)
expensive and little pollution
10.

One benefit of geothermal energy is that ________________________________.

a)

a plant can be built ANYWHERE

b)

it doesn't cost a lot of money to build

c)

it can provide power 24 hours a day

d)

it harms ecosystems where it's built

11.
Why are not American's roofs crammed with more solar panels? 
a)
They are ugly.
b)
They are uninformed.
c)
Expensive start-up cost
d)
People enjoy paying bills. 
12.
How does biomass reduce our carbon footprint by producing less CO2 than fossil fuels?
a)
Plants absorb the same amount of CO2 that is released when it is burned.
b)
Plants remove CO2 from the atmosphere and put it permanently into the ground.
c)
Biomass filters CO2 to make it more environmentally stable.
d)
Biomass doesn't release any CO2 when burned.
13.

Which renewable energy does not require spinning a turbine?

a)

hydroelectric

b)

wind

c)

tidal

d)

photovoltaic cells

14.

Energy created from wood, peat moss, and manure is called __________________ energy.

a)

biomass

b)

geothermal

c)

natural

d)

solar

15.

_____________________ energy comes from underground pockets of hot water.

a)

hydroelectric

b)

nuclear

c)

solar

d)

geothermal

16.

Solar, wind, and hydroelectric power all share this same benefit.

a)

zero carbon emissions/air pollution

b)

habitat loss

c)

cheap to use

d)

nonrenewable

17.

Which of the following is not a negative to using hydroelectric power

a)

siltation occurs behind the dam

b)

fish are not able to migrate upstream

c)

creates air pollution

d)

reservoirs impact the surrounding environment

18.

biomass is a main source of energy for heating homes and food in

a)

developed nations only

b)

developing nations mostly

c)

both developed and developing nations

d)

nowhere on earth

19.

what type is mechanical energy?

a)

energy that is associated with moving

b)

electrical energy

c)

mm cool machine

20.

I use electrical energy and convert it to thermal,what am I?

a)

Fortnite

b)

PC

c)

TV

d)

toaster

21.

what is thermal energy?

a)

cool

b)

moving parts

c)

heat

22.

What is electrical energy?

a)

my ipad

b)

the movement of electrons

23.

A ski lift in Idaho uses what types pf energy?

a)

mechanical

b)

electrical

c)

thermal

d)

light

e)

all of the above

24.

What is sound energy?

a)

my puns

b)

sound waves travailing

c)

vibrations

25.

a Christmas tree lights use what type of energy?

a)

electrical

b)

thermal

c)

mechanical

26.

Rithik has a heated toilet seat. what type of energy does the seat produce?

a)

note from rithk. it is cold in here

b)

thermal

c)

electrical

d)

mechanical

27.

The Ferris wheel uses what type of energy?

a)

electrical

b)

mechanical

c)

thermal

28.

What is an example of Electric Energy

a)

Apple

b)

Rubber Bands

c)

Car Battery

d)

Table

29.

Which statement is true?

a)

Oranges contain Elastic Energy

b)

Food contains Chemical Energy

c)

Phone on the table doesn't contain Gravitational Energy

d)

Radiator contains Nuclear Energy

30.

What type(s) of energy does a fridge contain?

a)

Sound Energy

b)

Thermal Energy

c)

Mechanical Energy

d)

All of the above

31.

How many types of energy are there?

a)

5

b)

6

c)

7

d)

8+

32.

What is the definition of Elastic Energy?

a)

Energy stored in the nucleus of the atoms hold the nucleus together

b)

Energy stored in an object by the application of force

c)

Movement of objects or substances from one place to another

d)

The energy an object or substance has because of its position up high

33.

Which is Potential Energy?

a)

Radiant Energy

b)

Mechanical Energy

c)

Chemical Energy

d)

Sound Energy

34.

Heat Energy is called:

a)

Radiant Energy

b)

Chemical Energy

c)

Thermal Energy

d)

Mechanical Energy

35.
What is the form of energy associated with visible light?
a)
light energy
b)
thermal energy
c)
chemical energy
d)
kinetic energy
36.
What is energy from the sun?
a)
electrical energy
b)
solar energy
c)
mechanical energy
d)
potential energy
37.
What is the ability to do work or cause change?
a)
reflect
b)
energy
c)
refract
d)
absorb
38.

A car at the top of the drop on a roller coaster has ________ energy.

a)

potential

b)

kinetic

c)

chemical

d)

sound

39.

A car rolling down the drop of a roller coaster has ________ energy.

a)

potential

b)

kinetic

c)

chemical

d)

sound

40.
What kind of energy is represented in the picture?
a)
Thermal
b)
Chemical
c)
Sound
d)
Nuclear
41.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
42.
What type of energy is in this picture?
a)
Kinetic
b)
Potential
c)
Chemical
d)
Sound
43.
What machine changes electrical energy into light and sound energy?
a)
battery
b)
lightbulb
c)
alarm clock
d)
apple
44.

Molality (m) = moles of solute / _________________________.

a)

kilogram of solvent

b)

kiloliter of solvent

c)

kilometer of solvent

d)

ounces of solvent

45.

Molar mass of NaOH is ______________________

a)

40 grams/mol

b)

50 grams/mol

c)

45 grams/mol

d)

38 grams/nol

46.

The elements present in sodium hydroxide are

a)

sodium oxygen and hydrogen

b)

sodium , oxygen and chlorine

c)

sodium, oxygen and boron

d)

sodium, oxygen and carbon

47.

molality is defined as ________________________

a)

the moles of solute per kilogram of solvent

b)

moles of solute per liter of solution

c)

mass of solute/ mass of solution

d)

mass of solute/ mass of solvent X 100

48.
Which sweet tea would you expect to taste the sweetest?
a)
1M
b)
3M
c)
3.1M
d)
2.5M
49.

Molarity is measured in _____.

a)

moles per g.

b)

mols per L.

c)

moles per mm.

d)

moles per mL.

50.

What do molarity and molality have in common?

a)

Both have "moles solute" in the numerator

b)

Both have "kg solvent" in the denominator

c)

Both have "L solution" in the denominator

d)

Both have "moles solution" in the denominator

51.

What is the molality of a solution in which 3.0 moles of NaCl is dissolved in 1.5 Kg of water?

a)

2.0 M

b)

0.22 m

c)

135 m

d)

2.0m

52.

What is the molarity of a 0.5L sample of a solution that contains 60.0 g of sodium hydroxide (NaOH)

a)

0.8 M

b)

1.5M

c)

3.0M

d)

6.0M

53.
How many moles of NaCl are present in a solution with a molarity of 8.59 M and a volume of 125 mL?
a)
1074 mol
b)
0.069 mol
c)
1.07 mol
d)
62.7 mol
54.
What is the molarity of 4 grams of sodium chloride in 3,800 mL of solution?
a)
0.018 M
b)
0.018 mol
c)
1.052 M
d)
1.052 mol
55.
What is the molarity in 650. ml of solution containing 63 grams of sodium chloride?
a)
2.4 M
b)
0.86 M
c)
1.7 M
d)
0.54 M
56.

A beaker contain 795 mL of 0.35M of Na2SO4 solution. Calculate the mass of Na2SO4.

a)

39.55 g

b)

40.00 g

c)

39.05 g

d)

39.5 g

57.
What is the molarity of 3 mole of hydrochloric acid in 3 L of water. 
a)
3
b)
1
c)
6
d)
9
58.
How many L are required to make 3.5 M hydrochloric acid using 1.1 moles? 
a)
3.18 L
b)
0.31 L
c)
3.85 L
d)
4.6 L
59.
The time taken for half of an amount of radioactive atoms to decay.
a)
Nuclear fusion
b)
Full-life
c)
Dead time
d)
Half-life
60.
What do these symbols represent?
a)
alpha particle
b)
beta particle
c)
neutron
d)
gamma ray
61.
How are these isotopes different?
a)
Different atomic numbers
b)
Different number of protons
c)
Different number of neutrons
d)
Different number of electrons
62.
What type of nuclear equation is this?
a)
fusion
b)
fission
c)
alpha
d)
beta
63.
What happens to the atomic number during alpha decay?
a)
The atomic number decreases by 4
b)
The atomic number increases by 1
c)
The atomic number decreases by 2.
d)
The atomic number stays the same.
64.
The technetium-99 isotope has a half-life of 6.0 hours. If 100.0 mg were injected into a patient how much remains after 18 hours?
a)
33.0 mg
b)
12.5 mg
c)
.33 mg
d)
15.8 mg
65.
Balance the following equation:
146C --> 0-1e + ________
a)
145B
b)
146C
c)
147N
d)
42He
66.
Complete the nuclear equation and determine the type of decay that is occurring in this reaction. 
a)
alpha
b)
beta
c)
gamma
d)
none
67.
Barium-122 has a half-life of 2 minutes. A fresh sample weighing 80 g was obtained. If it takes 10 minutes to set up an experiment using barium-122, how much barium-122 will be left when the experiment begins?
a)
0.25g
b)
2.5g
c)
25g
d)
80g
68.
What does it mean when an element is radioactive?
a)
atom emits radiation
b)
nucei unstable due to uneven p to n ratio
c)
nuclei changes to become stable
d)
all of the above
69.
What is the missing isotope that will balance the following nuclear equation?
94Be  +  11H →  _____  +  42He
a)
105B
b)
105Ne
c)
63Li
d)
63C
70.
If Thorium-234 undergoes a beta decay, What element will be left in its place?
a)
Actinium-234
b)
Thorium-233
c)
Protactinium-234
d)
Radium-230
71.
What element is the ?
a)
Ag-115
b)
Cd-115
c)
Pd-115
d)
Not Listed
72.
Which type of nuclear radiation is being emitted here?
a)
alpha
b)
beta
c)
gamma
d)
none
73.
What element is the ?
a)
Ag-115
b)
Cd-115
c)
Pd-115
d)
Not Listed
74.
Which type of nuclear radiation is being emitted here?
a)
Alpha
b)
beta
c)
gamma 
d)
none
75.
Negatively charged particles found outside of the nucleus are called
a)
electron
b)
protons
c)
neutrons
d)
nucleons

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