Energy
Atmosphere
Universe
Life Science
Inquiry and Technology
100
A form of energy that can be both potential and kinetic? A) Potential Energy B) Chemical Energy C) Mechanical Energy D) Elastic Energy
c)Mechanical Energy
100
Heat that is transferred by direct contact is called?
Conduction
100
About how long does it take Earth to revolve once around the sun?
one year or 365 days
100
Which of these are biotic factors found in freshwater biomes? A minerals B sediments C oxygen levels D pond snails
D pond snails
100
Which of these is a biofuel? A) Ethanol B) Gasoline C) Corn D) Insulin
A) Ethanol
200
A form of energy when you do the work for the object? A)Elastic Potential Energy B)Chemical Potential Energy C)Gravitation Potential Energy D) Mechancial Energy
C) Gravitational Energy
200
What energy source formed this convection current in the atmosphere? F gravity from the moon G heat from the sun H rotation of Earth J action of tides
G heat from the sun
200
Approximately how long is a complete lunar cycle? A 12 hours B 24 hours C 28 days D 365 days
C) 28 days
200
Blue-green algae are organisms that convert sunlight into food through photosynthesis. What is the role of blue-green algae in a food chain? F consumer G scavenger H producer J decomposer
H producer
200
A protype can be? A) Model B) A product in a store C) An idea D) A need
A) Model
300
Which best describes the energy transformations that take place in the music player? A mechanical to sound to electrical B sound to chemical to electrical C chemical to electrical to sound D electrical to chemical to sound
C) chemical to electrical to sound
300
Which event is caused by these temperature differences? A high tide B lightning C land breeze D seasons
C land breeze
300
Which motion of a solar system body takes the least amount of time? F Earth completing one rotation on its axis G Earth completing one revolution around the sun H the moon completing one revolution around Earth J a comet completing one orbit around the sun
F) Earth completing one rotation on its axis
300
Which of these is an abiotic factor in a tropical rain forest? F kapok tree G high humidity H bucket orchid flower J blue mountain butterfly
G) high humidity
300
If an engineer finds a flaw or problem in a design, what step should the engineer take next? A) Modify the design to solve the problem B) Scrap te project and start again C) get more money to support continued research D) Create another Protoype
A) Modify the design to solve the problem
400
Which object is the best conductor of electricity? A silk thread B silver wire C cotton yarn D rubber tubing
B) silver wire
400
Which of these is a main cause of deep-ocean currents? A seafloor spreading B magnetic field of Earth C volcanic island eruptions D water temperature differences
D water temperature differences
400
What best describes the conditions for a solar eclipse?
The moon passes directly between the sun and Earth.
400
Which level of the pyramid must contain producers? F Level 1 G Level 2 H Level 3 J Level 4
F Level 1
400
Which of these technologies is adaptive rather than just assistive? F a removable hearing aid for the hearing impaired G the surgical replacement of a heart valve H contact lenses for near-sighted people J wheelchairs for people who have trouble walking
G) the surgical replacement of a heart valve
500

Which best describes the energy transformations that allow a car to move forward? A chemical → electrical → mechanical B electrical → chemical → thermal C mechanical → chemical → sound D thermal → electrical → chemical

A) Chemical to Electrical to Mechanical

500

The sun heats the surface of Earth unevenly, resulting in atmospheric convection currents. Which of these conditions directly results from the atmospheric convection currents? A rain B floods C wind D tides

C wind

500
Jupiter is the largest planet in the solar system. Why does Venus look larger than Jupiter in the night sky as viewed from Earth? F Venus is closer to Earth than Jupiter. G Venus releases more heat than Jupiter. H Some of the light produced by Jupiter is blocked by Earth.
F) Venus is closer to Earth than Jupiter.
500
The fur of Arctic foxes and Arctic hares is white in winter. The fur of both species becomes brown in summer. This adaptation helps camouflage these animals. In which biome can a predator-prey relationship between Arctic foxes and Arctic hares be found? A desert C wetland B rain forest D tundra
D tundra
500
The student completes the circuit by connecting the wires to one of four different metal strips. Each strip has a different ability to conduct electricity. The student observes the brightness of the light bulb with each type of metal strip. Which of these is the independent variable in this investigation? F type of metal strip G brightness of light bulb H type of battery J thickness of wire
F type of metal strip
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