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