6th Grade Final Assessment Review (Part 2)

When a rubber band is stretched it has what kind of energy?

• potential energy

• kinetic energy

• heat energy

• mechanical energy

The Sun provides __________________energy for the Earth.

• kinetic and potential

• sound and heat

• electrical and heat

• light and heat

Which of the following is an example of potential energy changing to kinetic energy?

• A book sitting on a bookshelf.

• Rocks falling down a mountainside.

• Sunlight heating the water in a lake.

• A plant producing food by photosynthesis.

The function of an electric motor is to change

• Chemical energy into electrical energy.

• Electrical energy into chemical energy.

• Electrical energy into mechanical energy.

• Mechanical energy into electrical energy.

Fast food restaurants keep food hot with infrared lamps. The heat transferred to the food by

• condensation

• conduction

• convection

• radiation

Which device changes mechanical energy into electrical energy?

• generator

• electromagnet

• electric motor

• lamp

Sunlight hits the water at the top of a swimming pool. How is heat energy transferred from the top to the bottom of the pool?

• conduction

• convection

• radiation

• solar power

A flamingo has a beak that is long and thin which it holds upside down in the water. What is the purpose of this type of beak and behavior/

• benefits the flamingo in attracting a mate

• allows the flamingo to watch for predators

• allows the flamingo to surprise other birds that are invading its territory

• allows the flamingo to filter feed in the muddy waters

What is an advantage of being ectothermic?

• Ectothermic animals require much less energy to survive than endothermic animals.

• Ectothermic animals can sleep longer than endothermic animals.

• Ectothermic animals always live longer than endothermic animals.

• Ectothermic animals can live in a greater number of environments than endothermic animals.

Which of the following mechanisms are used for animal defense?

• camouflage, mimicry, stingers

• hibernation and migration

• courtship and breeding behaviors

• nesting and food gathering