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