Science Review

Robert and Jeremiah set up an investigation using a ruler and two marbles. They push the black marble toward the white marble. What does this show?

• How fast can marbles move

• Do metal and glass marbles have different energy

• Do different forces affect motion

• Do collisions transfer energy?

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When waves from the ocean hit rocks and sand, the energy in waves is ​ (a)  

• transferred to rocks and sand
• lost to the atmosphere
• increased as waves approach

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Which materials are classified as insulators or conductors?

Groups:

(a) INSULATORS

,

(b) CONDUCTORS

• rubber

• carpet

• steel

• silver

• iron

• copper

• cloth

What should Mrs. Andrews do to make the light bult light?

• Close the switch

• Open the switch

• Add another bulb

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What could be added to make a closed circuit so the bulbs will light? Choose TWO

• Another bulb

• Another wire to connect the bulbs

• A closed switch

• An open switch

Complete the statement to describe how the electrical energy traves in the closed circuit.

It traves from the​ (a)   through the ​ (b)   , light bulb and ​ (c)   and back to the ​ (d)   . This is a ​ (e)   .

• battery
• wire
• closed switch
• closed circuit
• switch
• open switch
• open circuit

All of these materials are?

Conductors or Insulators

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All of these materials are-

Conductors or Insulators

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When we are in colder months like November, December and January, there are ​ (a)   minutes of daylight each day, so it gets darker earlier.

• fewer
• more

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In warmer summer months, the sun goes down ​ (a)   , so there are ​ (b)   minutes of daylight each day.

• later
• more

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