Connections To Nature Final Exam 2013

Front 1

A sustainable world would be characterized by the

Back 1

-invention of safer storage for toxic wastes and other waste reduction
-indefinite existence of human populations in a healthy ecosystem and prosperous condition
-efficient use of natural resources using more advanced technologies

Front 2

Soil formation

Back 2

usually involves the breaking down of rocks

Front 3

Which fuel is non-renewable, but can make a lot of carbon bonds making it high in CO2 omissions and high in energy

Back 3

kerosene

Front 4

What do humans get from their food?

Back 4

-energy
-nutrition

Front 5

While watching fireworks you see one explode with blue green sparkles, the powdered metal that was packed in the firework was probably

Back 5

Copper

Front 6

Expanding cities viewed by satellites can be shown to

Back 6

-degrade wildlife habitats
-result in loss of farm land
-result in loss of fertile soil

Front 7

Which one of the following is not an alternative energy source to fossil fuels?

Back 7

Clean coal technology

Front 8

The conversion of solar energy into chemical energy occurs in

Back 8

photosynthesis

Front 9

A human process/activity that can continue indefinitely with minimal environmental impact is said to be.

Back 9

Sustainable

Front 10

The form of nitrogen most usable to plants is

Back 10

nitrates

Front 11

During a combustion, which two compounds are always in the product?

Back 11

CO2 and H2O

Front 12

What are nutrients that plants get from the soil?

Back 12

nitrogen, phosphorus, and potassium

Front 13

The maximum population that an ecosystem can support without undergoing deterioration is called_________________.

Back 13

carrying capacity

Front 14

What is true of an element?

Back 14

They are all made of atoms.

Front 15

What name is given to a substance that is made of particles including more than one type of atom?

Back 15

compound

Front 16

Energy of combustion is released by:

Back 16

breaking and reforming of chemical bonds

Front 17

What is true of chemical families?

Back 17

All the members have similar chemical properties.

Front 18

What must be taken into account when balancing chemical equations?

Back 18

You have to account for every atom you start with.
and
The products can contain only the atoms you started with.

Front 19

The average daily caloric intake of North Americans is 33% higher than needed and Africa falls 6% short. What is a possible cause of this?

Back 19

-Unequal food distribution - Less-developed countries
-Technological advances

Front 20

If you lived in a cold climate, what characteristics would you look for in your clothing material?

Back 20

Texture that is water repellent
and -Durability
and -Thickness

Front 21

Hydrocarbons are NOT usually found in

Back 21

metal ores

Front 22

Distillation separates substances that have different

Back 22

boiling points

Front 23

Petroleum, or crude oil, is formed

Back 23

from dead plankton
and - deep under ground

Front 24

Carbon forms so many different compounds because it can

Back 24

-bond with many different elements
and- form double and triple bonds
and- form chain and ring structures

Front 25

What do making furniture, refining metals, and making plastic have in common?

Back 25

All require energy.
and - All involve the use of chemicals.
and - All produce waste products.

Front 26

What is an advantage to using Solar energy instead of fossil fuels:

Back 26

Solar energy is clean and sustainable

Front 27

Evidence using data with numbers and unit

Back 27

quantitative

Front 28

This provides the most information about a molecule's atomic composition?

Back 28

its chemical formula

Front 29

Look at the following reaction, (Octane C8H18 in gasoline burning in a car engine) what is an example of a product?

2C8H18 +25O2 = 16CO2 + 18H2O

Back 29

CO2

Front 30

What three minerals do most fertilizers contain?

Back 30

nitrogen, potassium, phosphorus

Front 31

There are currently sustainable methods for the development of

Back 31

food
shelter
energy

Front 32

The substance rich in nutrients which when added to a field helps sustain the crop

Back 32

fertilizer

Front 33

Some phytoplankton are capable of photosynthesis due to the presence of what in their
cells?

Back 33

chlorophyll

Front 34

Energy that can be transferred from a light bulb is:

Back 34

light and
heat

Front 35

True or false: metals are good conductors

Back 35

true

Front 36

How was modern periodic table organized?

Back 36

Atomic number

Front 37

What is an example of a synthetic polymer?

Back 37

nylon

Front 38

Evidence that uses scientific data with descriptive observations

Back 38

Qualitative evidence

Front 39

The combustion of one molecule of kerosene produces more energy that the combustion of one molecule of ethanol because:

Back 39

Kerosene has more carbon bonds

Front 40

Nuclear Radiation can;

Back 40

Cause genetic(DNA) mutations

Front 41

A substance used during a chemical reaction

Back 41

reactant

Front 42

What are the reactants of this chemical reaction: 2 H2 + O2 → 2 H2O

Back 42

2 H2 + O2

Front 43

A column of elements on the periodic table of elements having similar chemical and physical properties

Back 43

Family (column)

Front 44

What can you determine from the following information about element U? Element U is silver in color, has the density of 2.7, has no odor, it is shiny, and it has conductivity.

Back 44

Element U is a metal.

Front 45

You have a sample of an element that has an atomic number of 28 and an atomic mass of 58.
What is the total number of protons in an atom of this element?

Back 45

28

Front 46

You have a sample of an element that has an atomic number of 28 and an atomic mass of 58.
What element is in the same period of this element?

Back 46

Platinum

Front 47

You have a sample of an element that has an atomic number of 28 and an atomic mass of 58.
What is the total number of electrons in an uncharged atom of this element?

Back 47

28

Front 48

You have a sample of an element that has an atomic number of 28 and an atomic mass of 58.
What is the name of this element?

Back 48

Nickel

Front 49

What element belongs in the same family with silicon?

Back 49

Carbon