FSA Practice

Two wires carrying electricity can create a spark if they come too close together. This spark can start a fire. Wires carrying electricity are usuallly covered  with plastic to keep them from starting a fire. Why does the plastic keep electricity from starting a fire?

• Plastic is a good insulator.
• Plastic can melt when heated.
• Plastic is softer than wire.
• Plastic conducts electricity.

Most young animals inherit similar appearances, such as shape and color, from their parent animals. Which best describes why a baby deer (fawn) has spots when the adult deer do not?

• The spots help camouflage the fawn for protection.
• The spots help a fawn to be seen when crossing roads.
• The adult deer lose their spots by rubbing against trees.

What characteristic is inherited by only some members of its species?

• gills on a fish
• wings on a bird
• spots on a horse
• trunk on an elephant

What is Magma when it reaches the surface of Earth?

• Lava
• Mafic Magma
• Felsic Magma
• None of these

What will happen when these magnets are brought close together?

• They will attract each other.
• They will repel each other.
• Both magnets will turn to the left
• Both magnets will turn to the right

This instrument can be used to see if materials conduct electricity.  Which of these groups contains items that could all conduct electricity to complete the circuit?

• rubber ball, plastic comb, nail
• paper clip, penny, screw
• cork, dollar bill, tweezers
• pencil, eraser, spoon

When a balloon is rubbed on the hair ...

• negative charges are transferred from the hair to the balloon.
• positive charges are transferred from the hair to the balloon.
• negative charges are transferred from the balloon to the hair.
• positive charges are transferred from the balloon to the hair.

A place where plants and animals live and grow is called a ____________. It provides, food, water, shelter, and air.

• shelter
• tree
• habitat
• organism

In which state of matter are molecules moving the slowest?

• solid
• liquid
• gas
• all of the above

Erosion is one of the processes involved in the formation of sedimentary rock. Which of these best describes the process of erosion?

• Rocks are broken into smaller pieces that remain in the same location.
• Pressure compacts layers of sediment and turns them into rock.
• Pieces of rock or soil are carried from one place to another.
• Sediment grains fall to the bottom of a lake to form sedimentary layers.