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