A) Composition changes B) Form stays the same C) Mass is lost D) Composition 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) Chemical change C) Both a physical and chemical change D) Neither a physical or chemical change
A) Ice is placed in a beaker and heated until it melts. B) A blue solution is mixed with a yellow solution and a green solution results. C) A strip of magnesium ribbon is broken into many small pieces. D) A blue solution is mixed with a yellow solution and a brown solid is formed.
A) sharpening a pencil B) melting ice C) an explosion of dynamite D) melting ice
A) They move very fast in all directions. B) They do not move. C) They move past each other slowly. D) They are always moving.
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) Nuclear reaction B) Chemical fusion C) Chemical change D) Physical change
A) a state of matter B) a physical property C) a chemical property D) a physical change
A) Neither a physical or chemical change B) Physical Change C) Both a physical and chemical change D) Chemical 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) sound B) magnetism C) light D) air
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) Baking a birthday cake for your mother. B) Mixing baking soda and vinegar together, and this causes bubbles and foam. 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. |