A) Composition changes B) Mass is lost C) Form stays the same D) Composition stays the same
A) melting of a solid B) formation of a gas C) formation of a precipitate D) color change
A) Chemical change B) Neither a physical or chemical change C) Both a physical and chemical change D) Physical change
A) A blue solution is mixed with a yellow solution and a green solution results. 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 brown solid is formed.
A) an explosion of dynamite B) sharpening a pencil C) melting ice D) melting ice
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 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) Nuclear reaction D) Chemical change
A) a physical property B) a state of matter C) a physical change D) a chemical property
A) Neither a physical or chemical change B) Chemical Change C) Physical Change D) Both a physical and chemical change
A) scrap iron rusting over time B) metal melting in very high heat C) charcoal burning in a grill D) lettuce rotting in the refrigerator
A) sound B) magnetism C) light D) air
A) A plaster statue breaks when it falls onto the floor. B) A melting block of ice leaves a large puddle. C) A rotting potato gives off a bad smell. D) A cloud quickly changes shape when blown by wind.
A) Mixing baking soda and vinegar together, and this causes bubbles and foam. B) Baking a birthday cake for your mother. 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. |