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