A) Form stays the same B) Composition stays the same C) Composition changes D) Mass is lost
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) 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) 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) an explosion of dynamite C) melting ice D) melting ice
A) They do not move. B) They move very fast in all directions. C) They are always moving. D) They move past each other slowly.
A) A metal turns to liquid at a certain temperature. B) A freshly waxed floor has a bright shine. C) A painter coats a building with red paint. D) A silver statue begins to tarnish.
A) Chemical fusion B) Chemical change C) Physical change D) Nuclear reaction
A) a state of matter B) a physical property C) a chemical property D) a physical change
A) Physical Change B) Chemical Change C) Both a physical and chemical change D) Neither a physical or chemical 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) sound B) light C) air D) magnetism
A) A cloud quickly changes shape when blown by wind. B) A melting block of ice leaves a large puddle. 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. |