A) Mass is lost B) Composition changes C) Form stays the same D) Composition stays the same
A) formation of a precipitate B) melting of a solid C) color change D) formation of a gas
A) Both a physical and chemical change B) Chemical change C) Physical change D) Neither a physical or 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) an explosion of dynamite B) melting ice C) sharpening a pencil D) melting ice
A) They move past each other slowly. B) They move very fast in all directions. C) They do not move. D) They are always moving.
A) A painter coats a building with red paint. B) A freshly waxed floor has a bright shine. C) A silver statue begins to tarnish. D) A metal turns to liquid at a certain temperature.
A) Chemical fusion B) Nuclear reaction C) Physical change D) Chemical change
A) a state of matter B) a chemical property C) a physical change D) a physical property
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) charcoal burning in a grill C) metal melting in very high heat D) lettuce rotting in the refrigerator
A) light B) sound C) magnetism D) air
A) A melting block of ice leaves a large puddle. B) A rotting potato gives off a bad smell. C) A cloud quickly changes shape when blown by wind. D) A plaster statue breaks when it falls onto the floor.
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. |