A) Mass is lost B) Composition changes C) Form stays the same D) Composition stays the same
A) formation of a precipitate B) color change C) formation of a gas D) melting of a solid
A) Both a physical and chemical change B) Physical change C) Neither a physical or chemical change D) Chemical change
A) A blue solution is mixed with a yellow solution and a brown solid is formed. 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 strip of magnesium ribbon is broken into many small pieces.
A) melting ice B) an explosion of dynamite C) sharpening a pencil D) melting ice
A) They move very fast in all directions. B) They do not move. C) They move past each other slowly. D) They are always moving.
A) A silver statue begins to tarnish. B) A freshly waxed floor has a bright shine. C) A painter coats a building with red paint. D) A metal turns to liquid at a certain temperature.
A) Chemical change B) Nuclear reaction C) Chemical fusion D) Physical change
A) a state of matter B) a physical property C) a chemical property D) a physical change
A) Chemical Change B) Physical Change C) Both a physical and chemical change D) Neither a physical or chemical change
A) charcoal burning in a grill B) metal melting in very high heat C) lettuce rotting in the refrigerator D) scrap iron rusting over time
A) light B) magnetism C) sound D) air
A) A melting block of ice leaves a large puddle. B) A rotting potato gives off a bad smell. C) A cloud quickly changes shape when blown by wind. D) A plaster statue breaks when it falls onto the floor.
A) Lighting a piece of paper on fire and the paper burns up and leaves ashes. B) Baking a birthday cake for your mother. 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. |