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