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