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