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