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