Review

Squirrels eat nuts, seeds, fruits, and insects. A squirrel is which of the following?

• an omnivore

• a producer

• an herbivore

• a carnivore

 Producers usually depend on _______ for food.

• decomposers

• animals

• the Sun

• plants

Sunlight -> Algae -> Tadpole -> Duck

Which of the following is a producer in the food chain shown above? 

• Tadpole

• Algae

• Duck

• Sunlight

How do renewable and nonrenewable energy sources compare? Choose two.

• Solar energy is a nonrenewable resource during the day. Solar energy is a renewable resource
              at night.

• Renewable energy sources are unlimited. Nonrenewable energy sources are limited.

• .  Energy from flowing water is a renewable energy source. Gasoline made from corn is a nonrenewable energy source.

• Heat deep below Earth’s surface is a renewable energy source. Oil deep below Earth’s surface
              is a nonrenewable energy source.

• Coal is a renewable energy source. Fossils fuels are a nonrenewable energy source

Animals get energy from eating food that comes from plants.  Plants survive by taking in substances that are released by animals.  What substance do animals release that plants take in?

• sugar

• oxygen

• soil

• carbon dioxide

Which of the following statements is true?

• Plants absorb oxygen.

• Plants release carbon dioxide.

• Plants take in and release sunlight.

• Plants release oxygen.

Which of these best describes how energy changes during a fireworks display?

• light energy to sound energy

• chemical energy to light energy

• thermal energy to electrical energy

• magnetic energy to mechanical energy

Which energy transformation happens when a lamp is plugged in?

• Thermal – electrical

• Chemical – electrical 

• Electrical - light and thermal    

• Electrical - sound

What does this map show about mountain range formation?

• Mountain ranges form only along the edges of continents.

• Mountain ranges form only in the middle of continents.

• Mountain ranges form near the middle of continents and along the edges of continents.

• Mountain ranges form mostly in the oceans along the edge of a continent.

What do these maps show about major earthquakes and volcanic activity?

• Most volcanic activity happens in the middle of the ocean, and most earthquakes happen on the continents

• Most earthquakes and volcanic activity happen in the middle of an ocean.

• Most earthquakes and volcanic activity happen where the continents meet the oceans.

• Most earthquakes happen in the middle of the ocean, and most volcanic activity happens on the continents.