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