Which is the chemical symbol for Helium
Group of answer choices
He
H
Hl
Hm
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The Law of Conservation of Mass says
Group of answer choices
All matter weighs the same
Matter can be transformed
Matter can be created
Matter can be destroyed
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Each block of the Periodic Table contains
Group of answer choices
Chemical Symbol
Atomic number
Atomic weight
All of the above
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In a chemical reaction….
Group of answer choices
atoms are destroyed
atoms are created
atoms are rearranged
all of the above
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The number of protons in the nucleus determines
Group of answer choices
Radioactive properties
Nuclear Properties
Element identity
Conductivity
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Device in a car designed to reduce polluting emissions
Group of answer choices
Muffler
Shocks
Catalytic Converter
Drive Train
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Oxygen is necessary for animals to make energy in a process called
Group of answer choices
Photosynthesis
Respiration
Carbon Cycle
Water Cycle
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Which of the following is considered a secondary pollutant (based on how it is made)
Group of answer choices
Carbon Monoxide
Ozone
NO2
SO2
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What is the primary component of natural gas
Group of answer choices
Octane
Propane
Butane
Methane
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Ozone is also called
Group of answer choices
Photochemical Smog
Air
O2
Dry Ice
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Which of the following is an example of chemical energy
Group of answer choices
Coal tar
ATP
DNA
UV Light
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UV radiation damages
Group of answer choices
DNA
Protein
Fats
Carbohydrates
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Which of the following is the process by which colors can be separated?
Group of answer choices
Chromatography
Spectroscopy
Electrophoresis
Microscopy
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Which of the following has the greatest entropy?
Group of answer choices
Loaf of Bread
Block of Cheese
Unmade jigsaw puzzle
Gallon of Milk
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Work is
Group of answer choices
Anything that has mass
Anything that takes up space
A force through a distance
Anything that has color
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Which of the following is an example of a solution
Group of answer choices
Gold
Orange Juice
Carbon Dioxide
Lead
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Water is
Group of answer choices
Polar
Ionic
Nonpolar
All of the above
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Parts per million is
Group of answer choices
1 in 103
1 in 106
1 in 109
1 in 1012
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The amount of energy required to increase the temperature of 1 gram of water by 1 degree Centigrade
Group of answer choices
Calorie
Density
Molarity
Polarity
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Ice floats on water.
Group of answer choices
It is more dense than water
It is less dense than water
It has the same density as water
It has no density
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Which is true about an Artesian Well?
Group of answer choices
Requires water to be pumped out
Hydrostatic pressure pushes water to the surface
Water cannot be removed from this type of well
This well cannot be used for drinking water
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Porosity is the measure of
Group of answer choices
The ability of soil to prevent water penetration
The ability of soil to hold water
The ability of the soil to transfer water
None of the answers listed
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Which of the following causes water to be hard?
Group of answer choices
Calcium ions
Chlorine ions
Copper ions
Iron ions
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Which is true about an aquaclude
Group of answer choices
Is not porous
Is not permeable
An example is clay
All of the answers listed
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When ground water is removed in excess
Group of answer choices
A sink hole forms
Ground water is replaced with rain water
Ground water is replaced with soil
None of the answers listed
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Which food contains an acid?
Group of answer choices
Vinegar
Oranges
Soda
All answers
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Acid rain effects which of the following?
Group of answer choices
Ground water
Crops
Statues
All of the above
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Bacteria convert nitrogen to
Group of answer choices
Oxygen
Ammonia
Calcium
Carbon Dioxide
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The reaction of an acid with a base is called a
Group of answer choices
Neutralization reaction
Purification reaction
Precipitation reaction
Oxidation reaction
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Tums and other antacids have what effect on stomach acid?
Group of answer choices
Neutralize the stomach acid
Prevent the release of stomach acid
Cause the increase in stomach acid
Lower the pH of stomach acid
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In the equation e = mc2, c is
Group of answer choices
Energy
The speed of light
Mass
Calories
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The damaged reactor at Chernobyl was surrounded by concrete and steel called the
Group of answer choices
Sarcophagus
Pyramid
Sphinx
Tomb
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Alpha particles
Group of answer choices
Travel faster than the speed of light
Have a mass of 4 AMU
Have no mass
Have a negative charge
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Control rods slow the nuclear reaction by
Group of answer choices
Lowering the temperature
Absorbing neutrons
Increasing pressure
Decreasing the amount of Uranium
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Control rods
Group of answer choices
Contain the fuel
Are dropped into the reactor to slow the reaction
Are dropped into the reactor to speed up the reaction
Contain water
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What Vitamin is made by the bacteria in our large intestine?
Group of answer choices
Cellulose
K
C
E
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Protein is found primarily
Group of answer choices
In the liver
In the muscle
In the brain
In the kidney
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Where is the majority of fat stored in the body?
Group of answer choices
Blood
Hair cells
Liver cells
Adipose cells
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Another word for fat is
Group of answer choices
Lipid
Peptide
Polysaccharide
DNA
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Which of the following is the result of a diet lacking in the right mixture of nutrients
Group of answer choices
Undernourishment
Malnourishment
Starvation
Obesity
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A series of nucleotides that codes for a trait
Group of answer choices
Chromosome
Nucleic Acid
Gene
Ribosome
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