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All Things Science - Finals Semester 1

Total questions: 90

Worksheet time: 30mins

Name
Class
Date
1.

Why are the emission spectra of chemical elements called "atomic fingerprints"?

a)
They are all the same
b)
They are all unique
c)
They are all similar
d)

They all contain colors

2.
The shortest wavelength in visible light is______.
a)
violet
b)
red
c)
blue
d)
yellow
3.

Emission of light from an atom occurs when an electron...

a)
drops from a higher to a lower energy level.
b)
   jumps from a lower to a higher energy level.   
c)
falls into the nucleus.
4.

Which color has the longest wavelength?

a)

Yellow

b)

Red

c)

Green

d)

Purple

5.

This spectrum is an example of a(n) _____.

a)
emission spectrum
b)
absorption spectrum
c)
continuous spectrum
d)
black body spectrum
6.

This spectrum is an example of a(n) _____.

a)
absorption spectrum
b)
emission spectrum
c)
continuous spectrum
d)
black body spectrum
7.

Astronomers primarily use emission and absorption spectra to identify the ____________ of stars.

a)

composition

b)

temperature

c)

luminosity

d)

gravitational field

8.

Hydrogen has one proton. What is its atomic number?

a)
0
b)
1
c)
2
d)
cannot be determined
9.

Here is helium, He. How many protons does it have?

a)

1

b)

2

c)

3

d)

4

10.

Here is helium, He. How many neutrons does it have?

a)

1

b)

2

c)

3

d)

4

11.

The pitch of a sound is most closely related to the...

a)

wavelength of the sound wave

b)
distance from the sound source
c)
medium through which the sound travels
d)
intensity of the sound
12.

What does a wave carry?

(a)  

13.

Which color do you see when all colors are reflected by an object?

a)
yellow
b)
white
c)
black
d)
red
14.

Which color do you see when all colors are absorbed by an object?

a)
blue
b)
black
c)
red
d)
white
15.
Which of the following explains why an apple looks red?
a)
reflects red and absorbs all other colors
b)
absorbs red and reflect all other colors
c)
reflects all colors
d)

absorbs all colors

16.
Which wave has the largest wavelength?
a)
A
b)
B
c)
C
d)
None (same wavelength)
17.

How do you measure the wavelength in the diagram?

a)

Distance between A and C

b)

Distance between A and E

c)

Distance between A and G

d)

Distance between A and B

18.

What are the three types of spectra?

a)

continuum

b)

absorption

c)

emission

d)

reflection

19.

The analysis of the way matter emits and absorbs radiation is called ___.

a)

astronomy

b)

chemistry

c)

spectroscopy

d)

atomic theory

20.

Each element on the periodic table can be identified by its _______.

a)

classification as a solid, liquid or gas.

b)

location on the table.

c)

ability to react to form compounds.

d)

unique spectral "fingerprint."

21.

Which are greenhouse gases?

a)

Oxygen

b)

Carbon Dioxide

c)

Nitrogen

d)

Methane

22.

What is the most abundant greenhouse gas in earth's atmosphere?

a)

Nitrogen

b)

Carbon Dioxide

c)

Water Vapor

d)

Methane

23.

What do greenhouse gases do?

a)

Absorb UV light

b)

Absorb visible light

c)

Absorb infrared light

d)

Radiate high energy light waves

24.

Which of the following removes CO2 from the atmosphere/environment?

a)

respiration

b)

photosynthesis

c)

transpiration

d)

precipitation

25.

What are the three necessary ingredients for life?

a)

Chemical Building Blocks (C, H, O, N)

b)

Chemical Building Blocks (H, He, Hg, F)

c)

Water

d)

Liquid Water

e)

Energy

26.

What is the average (mean) of the following series of values?

12, 9, 13, 15, 11, 12, 19

a)

14

b)

91

c)

12

d)

13

27.

Since the industrial revolution, the concentration of carbon dioxide in the air has __________.

a)

increased by ~ 140 ppm (50%)

b)

increased by 1.2 C

c)

increased by 420 ppm

d)

decreased by ~ 140 ppm (50%)

28.

Compared to the average surface temperature in the 20th century, the surface temperature today is _______.

a)

greater by 1.2 C

b)

less by 1.2 C

c)

greater by -0.6 C

d)

greater by 1.5 C

29.

When did the first lifeform appear on Earth?

a)

4.6 billion years ago

b)

3.5 billion years ago

c)

3.5 million years ago

d)

4.6 million years ago

30.

What is causing global warming today?

a)

Volcanic eruptions

b)

Burning fossil fuels

c)

Solar activity

d)

Photosynthesis

31.

If there is a wildfire, there will be less ______ and more ______ in the atmosphere.

a)

H2O / O2

b)

O2 / CO2

c)

N2 / O2

d)

CO2 / O2

32.

Which chemical reaction corresponds to photosynthesis? (unbalanced equations!!!)

a)

CO2 + H2O → C6H12O6 + O2

b)

CO2 + O2 → C6H12O6 + H2O

c)

C6H12O6 + O2 → CO2 + H2O

d)

C6H12O6 + H2O → CO2 + O2

33.

Which of the following are effects of global warming TODAY?

a)

Massive extinction of species

b)

More extreme weather events

c)

Volcanic eruptions

d)

More floods

34.

What happens if more greenhouse gases are released into the atmosphere?

a)

Surface temperature increases

b)

Surface temperature decreases

c)

Surface temperature remains constant

35.

What is evidence?

a)

Data

b)

Hypothesis

c)

Claim

d)

Reasoning

36.
We need the natural greenhouse effect for Earth to be habitable.
a)
True
b)
False
37.

What is the name of this molecule?

a)

Ozone

b)

Chlorofluorocarbons (CFCs)

c)

Methane

d)

Carbon Dioxide

38.

What is the name of this molecule?

a)

Ozone

b)

Water Vapor

c)

Methane

d)

Carbon Dioxide

39.
A molecule is made up of ____ or more atoms.
a)
1
b)
2
c)
3
d)
4
40.

Electrolysis of water: How many molecules of water do you need to break down to form the number of H2 and O2 molecules displayed on this picture?

a)

1

b)

2

c)

3

d)

4

41.

How many atoms are in the products below?
4Fe +3O2 → 2Fe2O34Fe\ +3O_{2\ }\rightarrow\ 2Fe_2O_3  

a)

7

b)

10

c)

17

d)

20

42.

Which of the following is true regarding the atoms involved in a chemical reaction?

a)

The same number of each type of atom will always be present before and after a chemical reaction takes place.

b)

Some of the atoms present before the reaction will always be lost during a chemical reaction.

c)

Some of the atoms will always be changed into a different type of atom by a chemical reaction.

d)

During a chemical reaction, atoms will always be combined into much larger molecules.

43.

Which of the following atomic models of chemical reactions correctly demonstrates the Law of Conservation of Matter?

a)
b)
c)
d)
44.

If the reactants have 10 atoms total, how many atoms should the product have?

a)

10

b)

100

c)

1

d)

It depends

45.

Find the missing reactant:

a)

b)

c)

d)

46.

What coefficient should be used to make the following equation balanced?
N2 + O2 → _NO

a)
1
b)
2
c)
3
d)
4
47.
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
48.

All combustion reactions have one reactant in common. What is it?

a)

Oil

b)

O2

c)

Air

d)

N2

49.

Mass is the amount of __________ in an object.

a)

matter

b)

weight

c)

space

d)

volume

50.

Volume is the amount of __________ in an object.

a)

matter

b)

weight

c)

space

d)

particles

51.

A block has a mass of 20.0 g and a volume of 40.0 cm3. What is its density?

a)

2.0 g/cm3

b)

1.2 g/cm3

c)

0.5 g/cm3

d)

4.0 g/cm3

52.

Which of the three blocks has the highest density?

a)

A

b)

B

c)

C

53.

If block C has a density of 2.0 g/cm3, which of the following could be true? [ONE CORRECT ANSWER]

a)

Block A has a density of 1.2 g/cm3

b)

Block B has a density of 3.3 g/cm3

c)

Block C floats in water

d)

Block B has a density of 0.2 g/cm3

54.

As you travel from the crust to the inner core, how do temperature, pressure and density change?

a)

They all increase.

b)

They all decrease.

c)

They all stay the same.

d)

Temperature increases, but pressure and density decreases.

55.

The diagram shows what can occur when two continental plates collide at a convergent plate boundary. Which characteristic of the Indian Plate explains why it moves under the Eurasian Plate?

a)
It is larger.
b)
It is denser.
c)
It is molten.
d)
It is younger.
56.

Which layer of the Earth is the least dense ?

a)

outer core

b)

inner core

c)

mantle

d)

crust

57.

What phenomena takes place that results in the formation of new crust at mid-ocean ridges?

a)

earthquakes

b)

inner core turbulence

c)

erosion of mountain ridges

d)

magma rising to the surface

58.

This was the supercontinent, where all of the Earth’s continents were connected together about 200 million years ago.

a)

Beringia

b)

Pantheon

c)

Pangaea

d)

Continentia

59.
What type of plate boundary is this?
a)
Divergent
b)
Convergent
c)
Transform
60.

Using the map provided and your knowledge of divergent and convergent boundaries, BETWEEN which plates would you expect to find the following landform (CHOOSE ALL THAT APPLY): VOLCANOES, MOUNTAINS, EARTHQUAKES

a)

Nazca Plate and South American Plate

b)

North American Plate and Eurasian Plate

c)

African Plate and Indian-Australian Plate

d)

South American Plates and African Plate

e)

Pacific Plate and Eurasian Plate

61.

The map shows a region of Earth containing volcanoes and tectonic plate boundaries. What do the arrows on the map represent?

a)

subduction

b)

divergent boundary

c)

convergent boundary

d)

transform boundary

62.

All of the following geologic features or events might result from the movement of crustal plates, except for ______.

a)

mountains

b)

volcanoes

c)

earthquakes

d)

hurricanes

63.

In which diagram are the layers of Earth correctly labeled?

a)
b)
c)
d)
64.

What is the equivalent fraction to 14%?

a)

14/001

b)

14/01

c)

14/10

d)

14/100

65.

What is the correct way of writing the chemical formula of water?

a)

H2O

b)

H2O

c)

HO2

d)

HO2

66.

How many atoms of each element are present in a molecule of glucose C6H12O6?

a)

1 atom of carbon, 6 atoms of hydrogen, and 12 atom of oxygen

b)

6 atoms of carbon, 12 atoms of hydrogen, and 6 atoms of oxygen

c)

6 atoms of carbon, 6 atoms of hydrogen, and 12 atoms of oxygen

67.

Is mass changing over a chemical reaction?

a)

Yes

b)

No

68.

Why do icebergs float instead of sinking to the bottom of the ocean?

a)

Ice is less dense than liquid water.

b)

Ice weighs less than liquid water.

c)

Liquid water is less dense than ice.

d)

The water has currents that force the ice upward.

69.

The air we breath is a complex mixture. Which one of the following descriptions is the most accurate?

a)

99% of O2, 1% of other molecules

b)

100% CO2

c)

78% of O2, 21% of N2, 1% of other molecules

d)

78% of N2, 21% of O2, 1% of other molecules

70.
If Earth's mass was cut in half, what would happen to your mass?
a)

It would increase because gravitational force increases.

b)

It would decrease because gravitational force decreases.

c)

It would decrease because gravitational force increases.

d)

Nothing, because mass is not affected by gravity.

71.

What keeps the planets in orbit around the sun?

a)

gravity

b)

NASA

c)

speed

d)

nuclear reactions

72.

What state of matter is pictured?

a)

Solid

b)

Liquid

c)

Gas

73.

When the temperature increases, the particles...

a)

speed up and move closer together

b)

speed up and move farther apart

c)

slow down and move closer together

d)

slow down and move farther apart

74.

Which phase in the image is the LEAST DENSE?

a)

Solid

b)

Liquid

c)

Gas

75.

A piece of copper has a mass of 89 g and a volume of 10 cm3. What is the density of copper?

a)

0.89 g/cm3

b)

89 g/cm3

c)

8.9 g/cm3

d)

890 g/cm3

76.

Does air have mass?

a)

Yes

b)

No

77.

If the plant population were to decrease, the amount of carbon dioxide (CO2) in the atmosphere would ____.

a)

Increase

b)

Decrease

c)

Stay the same

78.
Which is a proton?
a)

a

b)

b

c)

c

79.

What is the most abundant element in the Universe?

a)

Hydrogen

b)

Helium

c)

Carbon

d)

Gold

80.
What determines the color of a star? 
a)

size

b)

temperature

c)

composition

d)
They are all the same color 
81.

In a beaker sitting on a weighting scale, an ice cube of water is placed in liquid water. The scale reads 243.9 grams. What will indicate the scale after the ice cube has melted?

a)

A value lesser than 243.9 grams

b)

243.9 grams

c)

A value greater than 243.9 grams

82.

Which conclusion about Michigan is best supported by the graph ?

a)

Housing areas are expanding.

b)

Dairy farms are a leading industry

c)

The lumber industry is shrinking.

d)

Wetlands are becoming more polluted.

83.

Which Great Lake is number 1?

a)

Huron

b)

Ontario

c)

Michigan

d)

Superior

84.

Emission spectra emitted by an element (or compound) will produce ___ through a spectroscope.

a)

bright lines

b)

a continuous rainbow

c)

dark lines

d)

white light

85.

The diagram below shows a light ray. In this diagram, the light ray is being

a)

 transmitted

b)

absorbed

c)

reflected

d)

refracted

86.
Typical stellar spectra appear as:
a)
a rainbow, but with some dark lines mixed in.
b)
a rainbow with some bright lines on top of the continuum.
c)
an unbroken rainbow of colors.
d)
a series of bright, colored lines.
87.

Which of the following type of electromagnetic radiation has the most energy?

a)
infrared
b)
ultraviolet
c)
microwaves
d)
radiowaves
88.
The _______________ determines the color of visible light. 
a)
wavelength
b)
speed
c)
amplitude
d)
light
89.
What color of star is the coolest?
a)
Red
b)
Yellow
c)
Blue
d)
White
90.
What percent of people chose gummy bears as their favorite candy? 
a)
25%
b)
15%
c)
30%
d)
None of these

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