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