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