A) Composition stays the same B) Mass is lost C) Form stays the same D) Composition changes
A) formation of a precipitate B) formation of a gas C) color change D) melting of a solid
A) Chemical change B) Neither a physical or chemical change C) Physical change D) Both a physical and 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) A blue solution is mixed with a yellow solution and a brown solid is formed. D) Ice is placed in a beaker and heated until it melts.
A) melting ice B) melting ice C) an explosion of dynamite D) sharpening a pencil
A) They move very fast in all directions. B) They are always moving. C) They do not move. D) They move past each other slowly.
A) A painter coats a building with red paint. B) A freshly waxed floor has a bright shine. C) A silver statue begins to tarnish. D) A metal turns to liquid at a certain temperature.
A) Chemical fusion B) Nuclear reaction C) Chemical change D) Physical change
A) a physical property B) a chemical property C) a physical change D) a state of matter
A) Both a physical and chemical change B) Physical Change C) 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) air D) sound
A) A rotting potato gives off a bad smell. B) A cloud quickly changes shape when blown by wind. C) A melting block of ice leaves a large puddle. D) A plaster statue breaks when it falls onto the floor.
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. |