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100
Salinity test will tell you how much ____________ is in the water. A. acid B. salt c. dirt d. nitrogen
What is salt?
100
What causes earthquakes, volcanic eruptions, and the formation of mountains? a. gravitational forces of Moon and Sun b. irregularities in the rotation of Earth c. movement of the plates of Earth's crust d. freezing and thawing of crustal plates
What is the movement of plates of Earth's crust?
100
This type of cell has a cell wall.
What is plant cell?
100
When an infectious disease spreads worldwide.
What is a pandemic?
100
Which is a property of metals? A dull B brittle C conduct electricity D gas
What is conduct electricity?
200
Which of the following is referred to as the ocean's 'nursery'? a. an aquifer, b. an estuary, c. an ice cap, d. an intertidal zone
What is an estuary?
200
Which of the following involves the use of satellites? a. determining when tides change b. studying radioactivity c. mapping Earth's surface d. reducing pollution
What is mapping Earth's surface?
200
This provides the energy needed for cellular functions.
What is the mitochondria?
200
Organism that causes infectious diseases by attaching itself to it's host and pulling the nutrients from the host.
What is a parasite?
200
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?
300
Which of the following would be a component of both a terrestrial food web and an aquatic food web? a. bull shark b. helock tree c. raccoon d. an eagle
What is a raccoon?
300
He is the scientist that developed the theory of Natural Selection. A. Charles Darwin B. Alfred Wegner
Who is Charles Darwin?
300
This organelle controls everything in the cell.
What is the nucleus?
300
A common fungal infection is A strep throat B athlete's feet C flu D malaria
What is athlete's feet?
300
Scientists have linked chemicals found in cigarettes to all of the following except... a. asthma b. autoimmune disease c. cancer d. heart disease
What is autoimmune disease?
400
Today manned submersibles can carry scientists as far as 6,000m below the ocean's surface. What hazard of the deep ocean did the designers of this technology have to overcome? a. tremendous heat c. great pressure b. lack of oxygen d. absence of light
What is great pressure?
400
Which of the following does the fossil record suggest about life on Earth? a. that most species have always been here b. that mutations are the reason for evolution c. that life came to Earth on an asteroid d. that living species have changed over time
What is living species have chaged over time?
400
This organelle controls what moves in and out of the cell.
What is the cell membrane?
400
A chemical that kills bacteria or slows their growth is called which of the following? a. antibody b. antibiotic c. asipirin d. decongestant
What is an antibiotic?
400
An engineer wants to design a tool for picking up nails and other metal objects that fall behind his workbench. The application of which physical property would be the most helpful? a. mass b. electrical conductivity c. buoyancy d. magnetism
What is magnetism?
500
An ecologist studied a lake in which the algae population experienced a sudden rapid growth. Which of the following could have caused this change to the lakes's algae population? a. lowered pH levels caused by acid rain b. reduced levels of dissolved oxygen c. raised carbon dioxide levels fromdecay d. increased concentrations of nitrates from runoff
What is increased concentrations of nitrates from runoff?
500
What "Law" states that the older fossils are found in the bottom layers and the younger fossils are found in teh top layers of sediment? A Law of Conservation of Mass B Law of the Land C Law of Superposition D Law of Evolution
What is Law of Superposition?
500
The cells of plants and some protists contain organelles called chloroplasts. Which of the following is the function of the cholorplasts? a. support the cell b. control the production of proteins c. carry genetic code from one generation to the next d. capture energy from sunlight and convert it into chemical energy
What is capture energy from sunlight and convert it to chemical energy?
500
What might a doctor give to someone with a viral infection? A antibiotic B antifungal C antiviral D fever reducer
What is antiviral?
500
This macromolecule helps to repair and restore damaged muscle and tissue.
What is a protein?