Which separation technique is shown?

Liza tosses palay mixed with loose husks into a gentle breeze. Which component is carried farther sideways?

A fan used for winnowing blows both grains and husks past the collecting tray. Which adjustment should Liza try first?

During winnowing, why is the mixture tossed above the tray instead of being kept inside it?

Which other mixture is most suitable for separation using a gentle breeze?

Ana wants to remove a layer of cooking oil from the surface of water in a bowl. Which method should she use?

Why does cooking oil form a layer above water after the mixture settles?

Which action helps Paolo remove oil from water with a ladle?

A student replaces ladle A with one having holes smaller than the floating pieces. What advantage would this provide?

Salt has fully dissolved in a bowl of water. Why would scooping fail to recover the salt separately?

Workers leave seawater in shallow outdoor beds to obtain a useful solid. Which separation technique are they using?

What change of state occurs when water in an uncovered dish dries?

A teacher gently heats seawater in an open dish to recover its dissolved solid. What should students predict about the salt?

In a teacher-led saltwater separation, why is an alcohol burner used below the dish?

Why is wire gauze placed between the dish and the flame?

Which separation technique does this setup demonstrate?

A scrapyard uses the pictured crane's lifting head to sort waste. Which material can it collect by attraction?

Sand and tiny iron pieces are visibly mixed in a tray. How is this mixture classified?

Which mixture could be separated into its two components using an ordinary magnet?

What property allows iron particles to be pulled away while ordinary sand remains?