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