A) Mass is lost B) Composition changes C) Form stays the same D) Composition stays the same
A) melting of a solid B) formation of a precipitate C) formation of a gas D) color change
A) Physical change B) Neither a physical or chemical change C) Chemical change D) Both a physical and 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) melting ice D) sharpening a pencil
A) They move very fast in all directions. B) They are always moving. C) They move past each other slowly. D) They do not move.
A) A silver statue begins to tarnish. B) A freshly waxed floor has a bright shine. C) A painter coats a building with red paint. D) A metal turns to liquid at a certain temperature.
A) Chemical fusion B) Physical change C) Nuclear reaction D) Chemical change
A) a chemical property B) a physical property C) a physical change D) a state of matter
A) Neither a physical or chemical change B) Chemical Change C) Physical Change D) Both a physical and 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) air B) magnetism C) light D) sound
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) Mixing baking soda and vinegar together, and this causes bubbles and foam. C) A glass cup falls from the counter and shatters on the ground. D) Lighting a piece of paper on fire and the paper burns up and leaves ashes. |