A) Composition changes B) Form stays the same C) Composition stays the same D) Mass is lost
A) formation of a precipitate B) melting of a solid C) color change D) formation of a gas
A) Neither a physical or chemical change B) Chemical change C) Physical change D) Both a physical and chemical change
A) Ice is placed in a beaker and heated until it melts. B) A blue solution is mixed with a yellow solution and a green solution results. 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) an explosion of dynamite B) melting ice C) sharpening a pencil D) melting ice
A) They are always moving. B) They move past each other slowly. C) They move very fast in all directions. D) They do not move.
A) A silver statue begins to tarnish. B) A metal turns to liquid at a certain temperature. C) A painter coats a building with red paint. D) A freshly waxed floor has a bright shine.
A) Chemical change B) Nuclear reaction C) Chemical fusion D) Physical change
A) a state of matter B) a physical property C) a physical change D) a chemical property
A) Chemical Change B) Physical Change C) Both a physical and chemical change D) Neither a physical or chemical change
A) lettuce rotting in the refrigerator B) charcoal burning in a grill C) metal melting in very high heat D) scrap iron rusting over time
A) magnetism B) air C) sound D) light
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) Mixing baking soda and vinegar together, and this causes bubbles and foam. B) Baking a birthday cake for your mother. C) Lighting a piece of paper on fire and the paper burns up and leaves ashes. D) A glass cup falls from the counter and shatters on the ground. |