A) Composition stays the same B) Composition changes C) Form stays the same D) Mass is lost
A) formation of a precipitate B) color change C) melting of a solid D) formation of a gas
A) Chemical change B) Physical change C) Both a physical and chemical change D) Neither a physical or 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) 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 freshly waxed floor has a bright shine. D) A painter coats a building with red paint.
A) Physical change B) Chemical fusion C) Chemical change D) Nuclear reaction
A) a physical change B) a physical property C) a chemical property D) a state of matter
A) Neither a physical or chemical change B) Chemical Change C) Both a physical and chemical change D) Physical Change
A) charcoal burning in a grill B) metal melting in very high heat C) scrap iron rusting over time D) lettuce rotting in the refrigerator
A) air B) light C) magnetism D) sound
A) A rotting potato gives off a bad smell. B) A melting block of ice leaves a large puddle. C) A cloud quickly changes shape when blown by wind. D) A plaster statue breaks when it falls onto the floor.
A) Baking a birthday cake for your mother. B) Lighting a piece of paper on fire and the paper burns up and leaves ashes. C) A glass cup falls from the counter and shatters on the ground. D) Mixing baking soda and vinegar together, and this causes bubbles and foam. |