Hydrosphere
Desalination is the process of? A Making Ocean Power B Making Wind Power C Making Fresh Water from Salt Water D Making Salad without Dressing
What is Making Fresh Water from Salt Water
The best evidence that two continents were once connected. A They have similar types of rocks and fossils. B They are in the same stage of succession. C They exist along the same line of latitude. D They have the same climate.
What is they have similar types of rocks and fossils?
Evidence that elements can combine to form new compounds. A melting a solid B freezing a liquid C moving a piece of metal with a magnet D pouring two liquids together to create a solid
What is pouring two liquids together to create a solid?
The statement that best describes influenza. A Influenza causes most forms of lung cancer. B Influenza is caused by poor hygiene. C Influenza is cured with antibiotics. D Influenza is highly contagious.
What is influenza is highly contagious?
.
Elements in a group have
A wide range of chemical properties
The same atomic radius
Similar chemical properties
The same number of protons
What is similar chemical properties?
Which of the following is an example of a non-point source of pollution?
Runoff from a farm field
A leaking septic tank
A pipe releasing chemicals
A cracked oil drum
What is runoff from a farm field?
Index fossils tell scientists what most important fact? A. Time, B. Place, C. Identification of Plant/Animal, D. Is the Globe Warming
What is Time?
The property of metals that allows them to be used to make coins that have the same thickness. A electrical conductivity B density C malleability D specific heat
What is malleability?
How do viruses compare to bacteria?
The are both living
They are always spherical in shape
Viruses are much bigger
Viruses are much smaller
What is viruses are much smaller?
____ is the change in the genetics of a species over time.
A.) mutation
B.) evolution
C.) adaptive radiation
What is evolution?
A student measured how much salt could be dissolved in water at five different temperatures. The student used 100mL of water and the same brand of salt for each trial. The manipulated variable was the ...
What is the temperature of water?
The factor that best explains why some people will react differently than others to the same dose of an antibiotic. A high potency B low concentration C individual exposure D individual susceptibility
What is individual susceptibility?
This best describes the physical change of an aluminum soda can after it is crushed. A There is a change in the mass of the can. B There is a change in the weight of the can. C There is a change in the volume of the can. D There is a change in the specific heat of the can.
What is there is a change in the volume of the can?
A(n) ____ is a current in the ocean that brings deep, cold water to the ocean surface.
A.) wave
B.) tide
C.) upwelling
What is upwelling?
What is a process that produces chemical change?
A.) chemical reaction
B.) endothermic reaction
C.) exothermic reaction
What is a chemical reaction?
A scientist chemically combines 25 grams of hydrogen with 50 grams of oxygen to form water. After the chemical reaction is complete, there are only 72 grams of water. Which best explains why the total mass is reduced?
Some of the water evaporated.
Oxygen has less mass when it is combined in a compound.
When water combines, some of the mass is changed into heat.
Hydrogen has less mass when it is combined in a compound.
What is some of the water evaporated?
The process where oxygen is added to nutrients to release energy in the form of ATP. A. photosynthesis B. endocytosis C. exocytosis, D. cellular respiration
What is cellular respiration?
The elements in Group 1 of the periodic table are commonly called the
Alkali metals
Transition metals
Alkaline earth metals
Rare earth metals
What is Alkali Metals?
What happens to water at the ocean’s surface as it moves from the equator toward the Arctic Ocean? A The water cools, causing its density to decrease. B The water cools, causing its density to increase. C The water cools, causing its humidity to decrease. D The water cools, causing its humidity to increase.
What is the water cools, causing its density to increase?
_____ are proteins that destroy or neutralize substances that do not belong in or are not part of your body.
A.) anemia
B.) lymphocytes
C.) antibodies
What are antibodies?
Which event will lead to the greatest reduction of dissolved oxygen in a lake?
Decreased number of fish in the lake
Increased nutrients and algal blooms
Increased number of fish in the lake
Decreased number of plants surrounding the lake
What is increased nutrients and algal blooms?
Which of the following would scientists examine to learn about the global evolution of extinct organisms?
Topographic maps
The fossil record
Living organisms in their habitats
Microorganisms in drinking water
What is a fossil record?
What does the number above the symbol for each element represent?
The number of isotopes
Its atomic number
Its number of neutrons
Its atomic mass
What is it's atomic number?
An unidentified pure solid is composed of an element. The substance is metallic and reacts vigorously when placed in water. Where is this element most likely found on the periodic table? A at the top of the periodic table B at the bottom of the periodic table C on the left side of the periodic table D on the right side of the periodic table
What is on the left side of the periodic table?
______ are usually gases or brittle solids at room temperature and poor conductors of heat and electricity.
A.) metals
B.) nonmetals
C.) metalloid
What are nonmetals?