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📚EA8: HW28 (12.5)

Total questions: 85

Worksheet time: 2hrs 38mins

Name
Class
Date
1.

What is the name of FeCl₂?

a)

iron chloride

b)

iron (II) chloride

c)

iron (I) chloride

d)

iron dichloride

2.

Convert 74 g to kg

a)

0.074

b)

740

c)

0.00074

d)

74

3.

Select the group of organelles that is common to both plant cells and animal cells.

a)

cytoplasm, mitochondria, cell wall, nucleus

b)

ribosomes, cell membrane, mitochondria, cytoplasm

c)

nucleus, cytoplasm, ribosomes, chloroplasts

4.

Controls what enters and leaves the cell

a)

Mitochondria

b)

Cell Membrane

c)

Cell Wall

d)

Nucleus

5.

Which organelle is labeled letter C?

a)

Endoplasmic Reticulum

b)

Ribosome

c)

Golgi Bodies

d)

Mitochondria

6.

"Small organs" of the cell that carry out specific functions.

a)

Organelles

b)

Organs

c)

Cell Wall

d)

Cell

e)

Eukaryote

7.

Which of the following is a Eukaryotic cell?

a)

Bacteria

b)

Virus

c)

Animal/Plant Cell

d)

All of them.

e)

Corona

8.

Which elements are most

abundant in the visible

universe?

a)

Hydrogen and Carbon

b)

Carbon and Helium

c)

Hydrogen and Oxygen

d)

Hydrogen and Helium

9.
What does the Big Bang theory suggest?
a)
The universe was just there
b)
The Milky Way is the only solar system
c)
The universe is continually expanding
d)
The universe is collapsing in toward a single point
10.
What happened after the Big Bang?
a)
The universe expanded
b)
Nothing
c)
The universe shrank
d)
The universe imploded
11.

Matter is made up of...

a)

Cells

b)

Atoms

c)

Dots

d)

Electrons

12.

In which state of matter are the particles the farthest apart?

a)

gas

b)

liquid

c)

solid

13.

Removing energy (cooling) causes the atoms to

a)

spread apart

b)

move closer together

c)

get larger

d)

get smaller

14.

All phase changes (changing states) requires energy to be added or taken away.

a)
True
b)
False
15.

Which letter(s) represent Metric Values less than 1 (Select all that apply)?

a)

C

b)

E

c)

B

d)

F

e)

D

16.

Which letter(s) represent Metric Values more than 1 (Select all that apply)?

a)

C

b)

E

c)

B

d)

A

e)

D

17.

What is the order of the units from greatest to least?

a)

Kilo, Hecto, Deka, M/L/G, Deci, Centi, Milli

b)

Kilo, Deka, Centi, Milli, Deci, M/L/G, Centi

c)

Milli, Centi, Deci, M/L/G, Deka, Hecto, Kilo

d)

I smell smoke. I think my brain is melting.

18.

What is the chemical formula for an ionic compound of potassium and oxygen?

a)

KO

b)

K2O

c)

K2O2

d)

KO2

19.

Smallest unit to measure in metric?

a)

km

b)

mm

c)

cm

d)

m

20.

Plant cell structures that turn energy from sunlight into food.

a)

Cell Wall

b)

Mitochondria

c)

Chloroplast

d)

Cytoplasm

21.

What is the structure labeled #8?

a)

Vacuole

b)

Golgi body

c)

Nucleus

d)

Lysosome

e)

Nucleolus

22.

Gravitational forces are always

a)

Attractive

b)

Pushing

c)

repulsive

d)

objects

23.

*In which list are celestial features correctly shown in order of increasing size?

a)

solar system -- galaxy -- planet -- universe

b)

galaxy -- solar system -- universe -- planet

c)

universe -- galaxy -- solar system -- planet

d)

planet -- solar system -- galaxy -- universe

24.

*_____________, such as the Milky Way galaxy in which Earth is located, are made up of millions to billions of stars.

a)

Galaxies

b)

Solar systems

c)

Clusters

d)

Superclusters

25.

*What affects the strength of gravity

a)

Weight and Mass

b)

Mass and Distance

c)

Distance and Weight

d)

Mass and Force

26.

*As the distance between two objects

increases, the gravity between them

a)

increases

b)

decreases

c)

stays the same

d)

is zero

27.

*Identify the TIME PERIOD: Electromagnetic and weak forces breaking away.

a)

Electroweak Epoch

b)

Grand Unification Epoch

c)

Lepton/Nuclear Epoch

d)

Atomic Epoch

28.

*Gravity is

a)

An attractive force caused by the mass of objects

b)

The force that keeps the moon orbiting the Earth

c)

The force that keeps Earth orbiting the sun

d)

All above

29.

!Convert: 60.21 Kg = ? mg

(a)  

30.

!Which lists metric units, in order, from smallest to largest?

a)

milligram, centigram, gram

b)

kilogram, gram, centigram

c)

decagram, hectogram, milligram

d)

kilogram, hectogram, decagram

31.

~Select the group of organelles that is common to both plant cells and animal cells.

a)

cytoplasm, mitochondria, cell wall, nucleus

b)

ribosomes, cell membrane, mitochondria, cytoplasm

c)

nucleus, cytoplasm, ribosomes, chloroplasts

32.

~Organelle that synthesizes proteins.

a)

Chloroplast

b)

Mitochondria

c)

Ribosome

d)

Nucleolus

e)

Golgi Body

33.

~Name structure #5.

a)

RER

b)

Nucleus

c)

Golgi Vesicle

d)

Cytoplasm

e)

SER

34.

!Convert: 25.41 m = ? cm

a)

25.41

b)

254.1

c)

2,541

d)

2.541

e)

.2451

35.

~My cell is prokaryotic, what kingdom do I belong to?

a)
Fungi
b)
Moneran
c)
Plant
d)
Protoctist
36.

*Check all that apply: These forces are known as the Super-Forces.

a)

Gravity

b)

Strong Nuclear

c)

Weak

d)

Electromagnetic

37.

*In this epoch, the universe cooled down long enough for quarks to bind. This binding forms protons and neutrons.

a)

Lepton

b)

Hadron

c)

Nuclear

d)

Electroweak

38.

#Identify: Na2S

a)

Disodium Sulfide

b)

Sodium Sulfide

c)

Sodium Monosulfide

d)

Sodium II Sulfide

39.

#Identify: NO

a)

Mononitrogen Monoxide

b)

Nitrogen Monoxide

c)

Mononitrogen Dioxide

d)

Nitrogen Oxide

40.

#Identify: SnSe2

a)

Tin Diselenide

b)

Tin IV Selenide

c)

Tin Selenide

d)

Tin II Triselenide

41.

#Identify: Cs2S

a)

Cesium Sulfide

b)

Cesium Sulfate

c)

Cesium II Sulfate

d)

Cesium II Sulfide

42.

#Identify: Na2(SO4)

a)

Sodium Sulfate

b)

Sodium Sulfide

c)

Sodium Sulfite

d)

Sodium Sulfuroxide

43.

#Term: One or more electrons transferred from one atom to another.

a)

Covalent Bond

b)

Ionic bond

c)

Ion

d)

Anion

44.

#What is the formula for sodium bromide?

a)

NaBr

b)

NaBr2

c)

Na2Br

d)

SoBr

45.

#What is the formula for diphosphorus pentoxide?

a)

P2O5

b)

PO5

c)

P5O2

d)

Po2O5

46.

#Name the following compound: NaNO3

a)

Sodium Nitrogen Oxide

b)

Sodium nitrate

c)

Sodium nitrite

d)

Sodium nitride

47.

!Convert: 310,800 cg = ? g

(a)  

48.

!Convert: 25.41 m = ? cm

(a)  

49.

!Find the equivalent measures (Select all that apply).

3 g = ?

a)

0.3 Dag

b)

30 cg

c)

300 dg

d)

3,000 mg

50.

!Find the equivalent measures (Select all that apply).

7.4 km = ?

a)

740 cm

b)

74,000 dm

c)

7,400 m

d)

74 Hm

51.

~Amoeba and paramecia belong to which kingdom?

a)
Plant
b)
Animal
c)
Protist
52.

~What does the cell wall do for the cell?

a)
Allows things in and out
b)
Provides protection and structure
c)
Controls the cell
d)
Makes protein 
53.

~Which types of organisms are Prokaryotes?

a)
Animals
b)
Plants
c)
Fungi
d)
Bacteria
54.

^Which two phases changes take away energy (heat exits)?

a)

Freezing, Melting

b)

Condensation, Evaporation

c)

Freezing, Condensation

d)

Melting, Evaporation

55.

^Which two phases changes take away energy (heat exits)?

a)

Freezing, Melting

b)

Condensation, Evaporation

c)

Freezing, Condensation

d)

Melting, Evaporation

56.

^What is deposition?

a)
Phase change from gas to solid
b)
phase change from liquid to solid
c)
Phase change from solid to gas
d)
Phase change from liquid to gas
57.

^What is sublimation?

a)

phase change between solid and liquid

b)

phase change from gas to solid

c)

phase change from solid to gas

d)

phase change from solid to solid

58.

^When a substance melts, the kinetic energy _____________.

a)
decreases
b)
stays the same
c)
increases
d)
decreases then increases
59.
Heterozygous is when...
a)
the alleles are the same
b)
the alleles are different
c)
the alleles are absent
d)
the alleles are present
60.
In a heterozygous genotype, the ___________ allele takes over in the phenotype.
a)
recessive
b)
dominant
c)
lower case letter
d)
both 
61.
B = brown fur  b = white fur
In the punnett square, what is the probability for white fur? 
a)
0%
b)
25%
c)
50%
d)
75%
62.
In the punnett square shown, what must the genotype of the missing parent be?
a)
BB
b)
Bb
c)
bb
d)
Tt
63.
Dominant or recessive?
tt
a)
Dominant 
b)
Recessive
64.
Which of the following is a phenotype?
a)
Aa
b)
black hair
c)
heterozygous genes
d)
mutated DNA
65.
This image shows a...
a)
Punnett Square
b)
Phenotype
c)
Genotype
d)
Dominant allele
66.

Which of the following organisms is a producer?

a)

grass

b)

rabbit

c)

fox

d)

snake

67.

Which of the following organisms is a primary consumer?

a)

grass

b)

rabbit

c)

fox

d)

snake

68.

What would happen to the rabbit population if the fox population moved out of the area represented by the food web?

a)

The rabbit population would increase

b)

The rabbit population would decrease

c)

The rabbit population would neither increase nor decrease

69.
What might happen if you remove a primary consumer from the ecosystem?
a)
There would be more food for secondary consumers.
b)
The number of primary consumers would increase.
c)
The number of plants would increase.
d)
The number of secondary consumers would increase.
70.
A consumer that hunts is called:
a)
a producer.
b)
an omnivore.
c)
a predator.
d)
a herbivore.
71.
A frog eats a fly. The frog and fly are demonstrating ________.
a)
mutualism
b)
competition
c)
predator/prey
d)
parasitism
72.
Number of N in (NH₄)₂CrO₄
a)
1
b)
2
c)
8
d)
16
73.
How many Sodium (Na) are in 6NaCl?
a)
1
b)
12
c)
6
74.

How many hydrogen atoms are in Pb(HCO3)4 ?

a)

1

b)

3

c)

4

75.

What elements are in this compound?

a)

Nitrogen

b)

Carbon

c)

Oxygen

d)

Iron

e)

Neon

76.
The blue atoms are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
77.
The substances at the beginning of a chemical equation are called the ____
a)
product
b)
yield
c)
chemical symbol
d)
reactants
78.
Na + MgF2 -->  NaF + Mg
What are the reactants?
a)
Na + MgF2
b)
Na
c)
NaF + Mg
d)
NaF
79.
Element or Compound?
O2S(OH)2
a)
Element
b)
Compound
80.
The law of conservation of mass states that....
a)
Matter can be made
b)
Matter can be destroyed
c)
Matter can neither be made or destroyed
d)
Matter can evaporate
81.
At the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the products?
a)
the product is doubled
b)
the product is half the mass of the reactants
c)
the mass is the same
d)
the mass changes depending on the reaction
82.
C2H6O + 3 O2 → 2 CO2 + 3 H2O
a)
Balanced
b)
Not Balanced
83.
C2H6O + 3 O2 → 5CO2 + H2O
a)
Balanced
b)
Not Balanced
84.
PCl5 + 4 H2O → H3PO4 + 5 HCl
a)
Balanced
b)
Not Balanced
85.

Identifying the Scientific Method. Which is the FIFTH step?

a)

Conclusion

b)

Communicate

c)

Analysis

d)

Experiment

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