A) Composition stays the same B) Form stays the same C) Mass is lost D) Composition changes
A) color change B) melting of a solid C) formation of a gas D) formation of a precipitate
A) Neither a physical or chemical change B) Physical change C) Both a physical and chemical change D) Chemical 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) A strip of magnesium ribbon is broken into many small pieces. D) Ice is placed in a beaker and heated until it melts.
A) melting ice B) an explosion of dynamite C) sharpening a pencil D) melting ice
A) They move very fast in all directions. B) They are always moving. C) They do not move. D) They move past each other slowly.
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) Physical change B) Chemical fusion C) Nuclear reaction D) Chemical 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) magnetism B) sound C) light D) air
A) A melting block of ice leaves a large puddle. B) A plaster statue breaks when it falls onto the floor. C) A cloud quickly changes shape when blown by wind. D) A rotting potato gives off a bad smell.
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. |