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