Science EOG Review

A wagon is pushed in a straight line. How would an increase in friction on the wagon wheels affect the wagon?

• It would cause the wagon to move faster

• It would cause the wagon to change mass

• It would cause the wagon to change direction

• It would cause the wagon to slow down

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A runner measured the time it took him to run 5 km. What can he calculate from the distance and time measurements?

• Direction

• Mass

• Speed

• Force

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Which best explains why a bicycle slows down when its brakes are applied?

• The brakes heat the rubber on the bicylce tires

• The brakes add energy to the bicycle

• The brakes increase the force of gravity on the bicycle

• The brakes cause frictional forces on the wheels of the bicycle

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When the sun warms water, which resulting process occurs?

• precipitation

• runoff

• evaporation

• condensation

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Students observed a piece of iron change from shiny to rusty. What caused this change?

• a chemical reaction

• a heat reaction

• a cold reaction

• a physical reaction

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Which is the best example of the transfer of heat by radiation?

• water boiling

• ice melting

• a hot air balloon rising

• a lightbulb glowing

Which is most responsible for the changes in the seasons?

• teh jet stream

• the ocean currents

• the distance from Earth to the sun

• the tilt of Earth on its axis

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Which type of animal usually eats both producers and consumers?

• an omnivore

• a carnivore

• a herbivore

• a predator

Which is a charactersitic of most single celled organisms?

• They have a complex nervous system

• They contain several different types of cells

• They perform all life processes

• They have a circulatory and respiratory system

Which best describes how a multicellular organism survives?

• Every cell carries out the same functions for the survival of the organism

• The cells all have the same structures that allow for the organism to survive

• All life processes are performed by each cell for the survival of the organism

• The cells have different functions, and together they are essential for the survival of the organism

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