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