Pre-TNReady Challenge 1

A fungus is found growing on dead leaves on the forest floor. The fungus is an example of a -

• decomposer

• carnivore

• predator

• producer

Which of these best explains why the sun is not visible during the night?

• The moon blocks the sun from view.

• That side of the sun faces away from earth.

• The sun stops creating light at night.

• That side of Earth faces away from the sun.

A model of a plate boundary is shown. What most likely happens as the plates slide past each other?

• A mountain forms.

• An earthquake occurs.

• The ocean floor widens.

• Magma comes to the surface.

The conveyor belt moves the groceries by transforming electrical energy into-

• thermal energy

• radiant energy

• mechanical energy

• potential energy

Which substance produced during photosynthesis is represented by the X in the illustration?

• water

• oxygen

• sunlight

• carbon dioxide

The greater the frequency of a sound wave, the-

• lower the pitch

• higher the pitch

• softer the sound

• louder the sound

Which plant part develops into a fruit?

• flower

• stem

• leaf

• root

What is the mass of the rock shown?

• 47 g

• 22 g

• 32 g

• 37 g

All of the populations of species in an area make up a -

• region

• niche

• family

• community

The diagram above shows the changes to a land surface caused by a river flowing through the area for many years. Which process caused the changes to the surface?

• condensation

• erosion

• evaporation

• pollution