EOG Review-1-5

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

• A The brakes heat the rubber on the bicycle tires.

• B The brakes add energy to the bicycle.

• C The brakes increase the force of gravity on the bicycle.

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

When the sun warms water, which resulting process occurs?

• A precipitation

• B runoff

• C evaporation

• D condensation

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

• A It would cause the wagon to move faster.

• B It would cause the wagon to change mass.

• C It would cause the wagon to change direction.

• D It would cause the wagon to slow down.

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

• A a chemical reaction

• B a heat reaction

• C a cold reaction

• D a physical reaction

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

• A direction

• B mass

• C speed

• D force