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