A) Form stays the same B) Composition stays the same C) Mass is lost D) Composition changes
A) melting of a solid B) color change C) formation of a gas D) formation of a precipitate
A) Chemical change B) Neither a physical or chemical change C) Both a physical and chemical change D) Physical change
A) A blue solution is mixed with a yellow solution and a green solution results. B) A blue solution is mixed with a yellow solution and a brown solid is formed. C) Ice is placed in a beaker and heated until it melts. D) A strip of magnesium ribbon is broken into many small pieces.
A) melting ice B) an explosion of dynamite C) sharpening a pencil D) melting ice
A) They move past each other slowly. B) They are always moving. C) They move very fast in all directions. D) They do not move.
A) A painter coats a building with red paint. B) A freshly waxed floor has a bright shine. C) A silver statue begins to tarnish. D) A metal turns to liquid at a certain temperature.
A) Chemical change B) Physical change C) Nuclear reaction D) Chemical fusion
A) a state of matter B) a physical property C) a physical change D) a chemical property
A) Physical Change B) Neither a physical or chemical change C) Both a physical and chemical change D) Chemical Change
A) metal melting in very high heat B) charcoal burning in a grill C) lettuce rotting in the refrigerator D) scrap iron rusting over time
A) magnetism B) sound C) light D) air
A) A rotting potato gives off a bad smell. B) A melting block of ice leaves a large puddle. C) A cloud quickly changes shape when blown by wind. D) A plaster statue breaks when it falls onto the floor.
A) A glass cup falls from the counter and shatters on the ground. B) Mixing baking soda and vinegar together, and this causes bubbles and foam. C) Lighting a piece of paper on fire and the paper burns up and leaves ashes. D) Baking a birthday cake for your mother. |