A) Mass is lost B) Form stays the same C) Composition changes D) Composition stays the same
A) formation of a precipitate B) formation of a gas C) color change D) melting of a solid
A) Chemical change B) Both a physical and chemical change C) Neither a physical or chemical change D) Physical change
A) A strip of magnesium ribbon is broken into many small pieces. 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 blue solution is mixed with a yellow solution and a green solution results.
A) melting ice B) an explosion of dynamite C) melting ice D) sharpening a pencil
A) They move past each other slowly. B) They do not move. C) They move very fast in all directions. D) They are always moving.
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 fusion D) Chemical change
A) a physical property B) a chemical property C) a state of matter D) a physical change
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) lettuce rotting in the refrigerator D) charcoal burning in a grill
A) light B) magnetism C) sound D) air
A) A cloud quickly changes shape when blown by wind. B) A rotting potato gives off a bad smell. C) A melting block of ice leaves a large puddle. 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) Lighting a piece of paper on fire and the paper burns up and leaves ashes. C) Mixing baking soda and vinegar together, and this causes bubbles and foam. D) Baking a birthday cake for your mother. |