A) Form stays the same B) Mass is lost C) Composition changes D) Composition stays the same
A) formation of a precipitate B) color change C) formation of a gas D) melting of a solid
A) Physical change B) Neither a physical or chemical change C) Both a physical and chemical change D) Chemical change
A) A strip of magnesium ribbon is broken into many small pieces. B) Ice is placed in a beaker and heated until it melts. 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) melting ice B) an explosion of dynamite C) melting ice D) sharpening a pencil
A) They move very fast in all directions. B) They do not move. C) They move past each other slowly. D) They are always moving.
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) Nuclear reaction C) Physical change D) Chemical fusion
A) a chemical property B) a physical property C) a physical change D) a state of matter
A) Both a physical and chemical change B) Chemical Change C) Neither a physical or chemical change D) Physical Change
A) charcoal burning in a grill B) scrap iron rusting over time C) lettuce rotting in the refrigerator D) metal melting in very high heat
A) magnetism B) sound C) air D) light
A) A cloud quickly changes shape when blown by wind. B) A melting block of ice leaves a large puddle. C) A rotting potato gives off a bad smell. D) A plaster statue breaks when it falls onto the floor.
A) Mixing baking soda and vinegar together, and this causes bubbles and foam. B) Lighting a piece of paper on fire and the paper burns up and leaves ashes. C) A glass cup falls from the counter and shatters on the ground. D) Baking a birthday cake for your mother. |