WorksheetsScience Studies Week 7 Magnets Electricity
Total questions: 14
Worksheet time: 7mins
What did Benjamin Franklin discover about lightning?
Nothing
It is a form of electricity
It is a form of magnets
It is a form of erosion
What are northern lights?
beautiful colors in the night sky
lights caused by magnetic field of Earth mixing with plasma streams
lights caused by magnetic field of Earth mixing with solar winds from sun
city lights
What is lodestone?
sandstone
magma
a magnetic rock that contains a lot of iron ore
a magnetic rock that contains plastic
What do magnets and electricity have in common?
both have positive and negative charges
both are forms of energy
nothing
both create fields
Where is a magnet's strongest force?
in the middle
all over
at its poles
nowhere
What happens if a magnet gets broken?
nothing
each piece will still have north and south poles
stays the same
it loses some of its strength
What kind of electricity is produced when you rub your feet on the carpet?
magnetism
static electricity
lightning
lodestone
Which form of energy has both a positive and a negative charge?
electric
solar
magnetic
nuclear
Why does a magnet lose strength each time you drop it?
It gets broken.
It gets mad.
The atoms remain together.
The atoms in the iron get scrambled.
What does a magnet have that electricity does NOT have?
east pole
south pole
west pole
north pole
What do we use everyday that contains magnets?
books
computers
pencils
paper
What is deep inside the planet Earth?
magnetism
air
nothing
monsters
What is needed for magnets to repel, or push away from, each other?
2 positive or 2 negative poles close together
2 positive or 2 negative poles far away from each other
3 positive or 3 negative poles close together
3 positive or 3 negative poles far away from each other
What discovery helped the Chinese invent the compass?
sandstone
lodestone
opal stone
diamond stone
