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