5th Grade 3rd 6 Weeks Review

Wax from a candle____________back to a solid.

• heats
• cools
• stays the same temperature

What is the best explanation as to why the flashlight will NOT turn on?

• The bulb is burned out.
• The batteries are old.
• The arrangement of the batteries does not allow a complete circuit.
• The arrangement of the batteries allows a complete circuit.

What object can be used at Position X for the buzzer to sound when Switch K is closed?

• A power source.
• An insulated wire.
• Another bulb.
• Another switch.

To recharge the battery for later use without lighting the bulb, which of the following switches should be closed?

• Switch S only
• Switches R and S only
• Switches R and T only
• Switches R, S, and T

Which mixture could be separated using a magnet?

• Pepper and sugar
• Pebbles and marbles
• Sand grains and seashells
• Iron filings and pepper

In which mixtures do all the ingredients maintain their physical state?

• Mixtures 3 and 4 only
• Mixtures 1, 3, and 4
• Mixtures 1, 2, and 5
• Mixtures 2 and 5 only

Which of these ways could the student NOT use to separate gravel from water?

• 1
• 2
• 3
• 4

Why would a student use a magnet to separate nails mixed with sand?

• Nails are more dense than sand.
• Nails are attracted to the magnet.
• Nails have more mass than sand.
• Nails are solids.

Which of these tables is correct for making toast?

• 
• 
• 
• 

To use a hotplate during a science investigation, what must the student do to the hotplate to complete the circuit?

• Plug the hotplate into the outlet
• Turn the switch to the "on" position
• Plug in the hotplate and place a beaker on the plate
  
  
• Plug in the hotplate and turn the switch