A) Composition stays the same B) Mass is lost C) Composition changes D) Form stays the same
A) color change B) formation of a precipitate C) melting of a solid D) formation of a gas
A) Physical change B) Both a physical and chemical change C) Neither a physical or chemical change D) Chemical change
A) A strip of magnesium ribbon is broken into many small pieces. B) A blue solution is mixed with a yellow solution and a brown solid is formed. C) A blue solution is mixed with a yellow solution and a green solution results. D) Ice is placed in a beaker and heated until it melts.
A) an explosion of dynamite B) melting ice C) melting ice D) sharpening a pencil
A) They are always moving. B) They move past each other slowly. C) They do not move. D) They move very fast in all directions.
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) Physical change C) Chemical fusion D) Chemical change
A) a physical property B) a state of matter C) a chemical property D) a physical change
A) Both a physical and chemical change B) Neither a physical or chemical change C) Chemical Change D) Physical Change
A) lettuce rotting in the refrigerator B) metal melting in very high heat C) scrap iron rusting over time D) charcoal burning in a grill
A) magnetism B) sound C) air D) light
A) A cloud quickly changes shape when blown by wind. B) A rotting potato gives off a bad smell. C) A melting block of ice leaves a large puddle. 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) 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) Baking a birthday cake for your mother. |