by BlastRoom
Explore how to build, test, and use simple electromagnets.
#electromagnets#matatag_science_5

20 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other team.
Answer to earn energy, then climb.

The class blasts through walls together.
Bid on mystery lots. Most money wins.
Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
What device is shown with a battery, wire wrapped around a nail, and a switch?

In a nail electromagnet, what form of energy does the battery supply to the wire coil?
Two coils have equal turns and current. One contains an iron nail; the other, a wooden stick. Which should lift more iron clips?
Look at the nail-and-coil setup. What should Ana do with the switch to let current pass through the wire?

At a recycling yard, how can an operator make a crane's powered lifting head release iron scrap?

Rafael swaps the coil's connections between the two battery terminals. What happens to the identities of its two ends?
Liza adds wire turns around the nail while keeping other conditions unchanged. What happens to the setup's pull?
More electric current passes through an unchanged nail-and-coil setup. What happens to its ability to lift paper clips?
Which measurement should Paolo record to compare his electromagnet's lifting ability across trials?
Bea is testing how wire turns affect lifting ability. Which pair of trials gives a fair comparison?
An earlier setup lifted two identical clips; this one lifts six of the same kind. What conclusion is supported without knowing what changed?

What metal can a powered lifting coil readily collect from mixed waste at a recycling yard?
What will the facing ends of the pictured bar magnets do when brought closer?

A compass's south-pointing tip is pulled toward one end of a bar magnet. How should that end be labeled?
What invisible region around a powered coil allows its force to act on nearby iron objects?
Where does a bar magnet usually pull nearby iron most strongly?
What stroking pattern is recommended when using a bar magnet to give an iron nail a consistent polarity?
What change can strong heating cause in a permanent magnet?
How are a permanent bar magnet and a powered nail-and-coil device alike?
Which useful energy change is produced by magnetic forces in a washing machine's electric motor?
Crack the passcode before the zombies get in.
Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.

Pick a tile, answer, hit bonuses and steals.
Rocks and Their Types
20 questions