A) Mass is lost B) Form stays the same C) Composition stays the same D) Composition changes
A) formation of a precipitate B) formation of a gas C) melting of a solid D) color change
A) Both a physical and chemical change B) Neither a physical or chemical change C) Physical change D) Chemical change
A) Ice is placed in a beaker and heated until it melts. 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) A strip of magnesium ribbon is broken into many small pieces.
A) melting ice B) sharpening a pencil C) an explosion of dynamite D) melting ice
A) They do not move. B) They move very fast in all directions. C) They are always moving. D) They move past each other slowly.
A) A freshly waxed floor has a bright shine. B) A metal turns to liquid at a certain temperature. C) A silver statue begins to tarnish. D) A painter coats a building with red paint.
A) Chemical fusion B) Nuclear reaction C) Chemical change D) Physical change
A) a physical property B) a physical change C) a state of matter D) a chemical property
A) Chemical Change B) Both a physical and chemical change C) Physical Change D) Neither a physical or chemical change
A) lettuce rotting in the refrigerator B) charcoal burning in a grill C) metal melting in very high heat D) scrap iron rusting over time
A) sound B) magnetism C) light D) air
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) Baking a birthday cake for your mother. 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. |