What is a physical change?, A change in the material’s shape, size, or characteristics, A change caused only by smoke, A change that always destroys a material, A change that produces pollution, Which is an example of melting?, Bending wire, Cutting paper, Ice changing into water, Joining two pieces of wood, When a solid changes into a liquid because of heat, it is called ___., cutting, joining, carving, melting, What happens to ice when it is exposed to heat?, It becomes paper., It melts., It becomes metal., It becomes wood., The temperature at which a solid melts is called the ___., melting point, cutting point, boiling point, joining point, Which shows a change in shape but keeps the same material?, Melting ice, Bending a wire, Throwing trash, Burning plastic, Which material can be bent to change its shape?, Water, Air, Wire, Smoke, What physical change happens when you make a clay object into a different form?, Pollution, Burning, Melting, Molding, Which activity changes the shape of paper?, Burning, Polluting, Melting, Folding, Which activity involves shaping wood by removing parts of it?, Folding, Carving, Melting, Molding, A child uses dough to make a small ball. What process is being used?, Pressing, Cutting, Polluting, Burning, What tool is commonly used for hammering?, Knife, Scissors, Hammer, Saw, What can hammering do to metal?, Turn it into water, Shape or flatten it, Make it disappear, Turn it into smoke, Which activity can be done by hammering?, Melting ice, Folding paper, Breaking rocks, Cutting food, What does joining mean?, Connecting two or more materials, Producing smoke, Changing solid into liquid, Dividing something into small pieces, Which is an example of joining materials?, Melting, Carving, Cutting, Gluing, Which can be used to join two pieces of material?, Scissors, Nail, Knife, Saw, Which activity connects pieces of cloth?, Sewing, Hammering, Melting, Carving, What does cutting do to a material?, Produces clean air, Joins two materials, Divides it into smaller pieces, Changes it into liquid, Which tool is best for cutting paper?, Hammer, Needle, Screwdriver, Scissors, Ana leaves an ice cube under the sun. After some time, the ice becomes water. What physical change happened?, Cutting, Melting, Carving, Joining, Ben bends a piece of wire to make a heart shape. What kind of physical change is this?, Bending, Burning, Cutting, Melting, Carlo folds a piece of paper to make a paper airplane. What process did he use?, Molding, Hammering, Folding, Joining, Liza uses clay to make a flower. Which process is she using?, Cutting, Hammering, Melting, Molding, Mark uses a hammer to flatten a piece of metal. What process is shown?, Sewing, Folding, Hammering, Melting, A carpenter uses a saw to divide a piece of wood into smaller pieces. What process is this?, Cutting, Joining, Molding, Pressing, Mia uses glue to connect two pieces of paper. What process is she using?, Melting, Hammering, Carving, Joining, A child uses a knife to cut food into smaller pieces. What process is being done?, Folding, Cutting, Molding, Bending, Which situation shows a physical change?, Throwing trash into a river, Burning plastic, Folding a sheet of paper, Producing smoke from factories, Which situation shows melting?, Folding a piece of paper, Ice cream becoming liquid under the sun, Sewing a piece of cloth, Cutting a piece of wood, What is pollution?, A way of joining materials, A way of cutting wood, A way of shaping clay, Harmful changes caused by waste and other harmful materials, Which can cause land pollution?, Improperly disposed waste, Trees, Clean water, Fresh air, Smoke from factories can cause ___., air pollution, land pollution, melting, water pollution, Throwing garbage into rivers can cause ___., physical change, air pollution, water pollution, molding, Smoke from cars can contribute to ___., water pollution, carving, joining, air pollution, What may happen when ice caps melt?, Mountains will become smaller., Water levels in oceans and seas may increase., Air will become solid., Rivers will disappear immediately., Which animals may be affected by melting ice caps?, Chickens and ducks only, Cows and goats only, Polar bears and penguins, Dogs and cats only, Why is burning plastic and other household materials harmful?, It produces fresh water., It makes the air cleaner., It helps plants grow faster., It produces harmful smoke., How can pollution affect plants?, It may cause slow growth or death., It always makes plants grow faster., It changes plants into animals., It makes plants produce clean air only., Which action helps prevent harmful changes in the environment?, Throw trash into rivers., Dispose of waste properly., Burn plastic and paper., Leave garbage on the ground.

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