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