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