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