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by BlastRoom
Find the simple machines hiding inside everyday compound machines and tell what each part does.
#machines#us_grade_3_science
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.
A stapler has a handle you press down and a sharp staple that is driven into the paper. What kind of machine is a stapler?
Scissors have two sharp blades joined at a pin and two handles for your fingers. What simple machines is a pair of scissors built from?
The two long handles of a wheelbarrow are lifted at the back to raise a heavy load of bricks. What job do those handles do?
A bicycle rolls on wheels that spin on metal rods, and its pedals swing a crank arm around. What simple machines is a bicycle built from?
A can opener has a sharp turning disk that presses on the lid while you squeeze the handles. What does that sharp disk do?
An axe has a heavy sharp metal head fixed onto a long wooden handle. What simple machines is an axe built from?
A corkscrew has a spiral metal rod and two arms that fold down to pull the cork out. What simple machines is a corkscrew built from?
A tall crane lifts a steel beam with a rope that runs over a wheel at the top of its long arm. What simple machines is the crane built from?
The handle on a fishing reel is turned to wind the line around a round spool. What simple machine are that handle and spool?
A hand-crank pencil sharpener has a handle you turn and sharp cutting blades inside. What simple machines is the sharpener built from?
The flat pointed blade of a shovel is pushed down into packed soil. What simple machine is that blade acting as?
A hand drill has a crank you turn and a spiral bit that bores down into a board. What simple machines is the drill built from?
A push lawn mower rolls on wheels that turn on rods, and its sharp blades cut the grass. Why is a push lawn mower called a compound machine?
You press the two long arms of a nail clipper to close its small blades. What job do those two arms do?
A hand eggbeater joins a crank that turns like a wheel and axle to thin blades that act as wedges.
Joining two simple machines together makes a brand new kind of machine that has no simple machines inside it.
A car jack is a simple machine, even though a lever handle is used to turn a screw inside it.
Pliers grip a bolt when you squeeze their two long arms, which cross and turn on a pin. What simple machines is a pair of pliers built from?
A bicycle rider squeezes the brake handle by the grip to slow down. What simple machine is that brake handle?
A child pulls a loaded wagon by its long handle across the yard. Why is the wagon a compound machine?
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.
Speed and Mechanical Energy
20 questions
