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Worksheets4th Grade Heat and Energy Review Ch. 5 & 7
Total questions: 11
Worksheet time: 6mins
True or False: Metal is a better insulator than wood.
False
True
What is the flow of energy from warmer objects to cooler objects?
energy
heat
temperature
cold
Shelly puts an ice pack on her leg. Which best describes what will happen to the ice pack?
The heat from her leg will flow into the ice pack and warm it.
The cold from the ice pack will flow into her leg and freeze it.
Both the ice pack and her leg will freeze.
Neither her leg or the ice pack will change.
Why do electricians wear safety clothing made of leather and plastic?
It keeps them cool.
They can reflect light energy.
They can channel electricity.
They are good insulators of electricity.
Which is the best conductor of electricity?
a drinking glass
a copper mug
a rubber ball
a plastic plate
An oven changes electrical energy into _______ energy?
solar
heat
temperature
baking
What will happen to this light bulb?
It will light up
It will not light up
It will explode
Nothing will happen
A string of Christmas lights has one bulb that is burned out. What happens to the rest of the lights in the series circuit?
The rest of the lights will turn on.
The other lights will not turn on.
Only a few lights will turn on.
The other lights will shine even brighter.
How is a SERIES circuit different from a PARALLEL circuit?
In a series circuit, the electricity follows many paths. In a parallel circuit, the electricity follows one path.
In a series circuit, the electricity follows one path. In a parallel circuit, the electricity follows many paths.
A series circuit uses static electricity, and a parallel circuit uses current electricity.
A series circuit is less likely to be broken than a parallel circuit.
How do you increase the strength of an electromagnet?
You wrap the wire around more times.
You unwrap some of the wire.
You find heavier items to test it on.
You find lighter items to test it on.
What will happen when the switch is off and the circuit is open?
The nails will be attracted to the magnet.
The nails will repel away from the magnet.
Nothing will happen, there is no electricity flowing.
The magnet will smoke and shoot out sparks.
