A) Mass is lost B) Composition stays the same C) Composition changes D) Form stays the same
A) formation of a gas B) formation of a precipitate C) color change D) melting of a solid
A) Both a physical and chemical change B) 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) Ice is placed in a beaker and heated until it melts. 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 very fast in all directions. C) They move past each other slowly. D) They do not move.
A) A silver statue begins to tarnish. B) A metal turns to liquid at a certain temperature. C) A freshly waxed floor has a bright shine. D) A painter coats a building with red paint.
A) Physical change B) Nuclear reaction 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) Physical Change C) 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) air B) light C) sound D) magnetism
A) A melting block of ice leaves a large puddle. B) A cloud quickly changes shape when blown by wind. C) A rotting potato gives off a bad smell. D) A plaster statue breaks when it falls onto the floor.
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. |