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