A) Mass is lost B) Composition changes C) Form stays the same D) Composition stays the same
A) melting of a solid B) color change C) formation of a precipitate D) formation of a gas
A) Physical change B) Neither a physical or chemical change C) Chemical change D) Both a physical and chemical change
A) A strip of magnesium ribbon is broken into many small pieces. B) A blue solution is mixed with a yellow solution and a green solution results. C) Ice is placed in a beaker and heated until it melts. D) A blue solution is mixed with a yellow solution and a brown solid is formed.
A) an explosion of dynamite B) melting ice C) melting ice D) sharpening a pencil
A) They are always moving. B) They move very fast in all directions. C) They do not move. D) They move past each other slowly.
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 state of matter B) a physical change C) a chemical property D) a physical property
A) Neither a physical or chemical change B) Chemical Change C) Both a physical and chemical change D) Physical Change
A) lettuce rotting in the refrigerator B) scrap iron rusting over time C) charcoal burning in a grill D) metal melting in very high heat
A) magnetism B) air C) sound D) light
A) A cloud quickly changes shape when blown by wind. B) A plaster statue breaks when it falls onto the floor. C) A rotting potato gives off a bad smell. D) A melting block of ice leaves a large puddle.
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. |