PURPLE
HOW DO YOU SEPARATE SUGAR OR SALT FROM SAND?
WATER
SUGAR AND SALT WILL DISSOLVE IN WATER, LEAVING THE SAND AT THE BOTTOM
WHICH OF THE FOLLOWING IS A CHEMICAL CHANGE?
A. VOLUME DECREASING
B. BUBBLE FORMATION AND A FIZZING SOUND
C. WATER TURNING CLOUDY IN A POOL
D. SALT DISSOLVING
B. BUBBLE FORMATION AND FIZZING SOUND
PLANTS AND BATTERIES STORE_______ ENERGY.
A. LIGHT
B. HEAT
C. CHEMICAL
D. ELECTRICAL
C. CHEMICAL
LABEL THE FOLLOWING CATEGORIES OF ITEMS.
A.______________ B. ____________
TIN PAPER
WATER PLASTIC
IRON RUBBER
A. CONDUCTORS
B. INSULATORS
IF FORCES ACTING ON AN OBJECT IS BALANCE, THE OBJECT
A. MOVES
B. STAYS IN PLACE
C. SPEEDS UP
D. CHANGES DIRECTIONS
B. STAYS IN PLACE
HOW DO YOU SEPARATE A MIXTURE OF SAND AN IRON?
MAGNET
THE MAGNET WILL ATTRACT THE IRON (METAL)
IF YOU DISSOLVE BAKING SODA IN THE FOLLOWING WATER, WHAT WILL HAPPEN?
CUP A (40 DEGREES) CUP B (90 DEGREES) CUP C (20 DEGREES)
A. THE BAKING SODA IN CUP B WILL DISSOLVE THE FASTEST.
B. THE BAKING SODA IN THE HOTTEST WATER WILL NOT DISSOLVE.
C. THE BAKING SODA IN THE COLDEST WATER WILL DISSOLVE THE FASTEST.
D. THE BAKING SODA IN THE COLDEST WATER WILL NOT DISSOLVE AT ALL.
A. THE BAKING SODA IN THE HOTTEST WATER WILL DISSOLVE BEFORE THE BAKING SODA IN THE COLDEST WATER. (CUP B)
TRUE OR FALSE
WHEN USING A MORTAR AND PESTLE TO STIR, CHEMICAL ENERGY IS USED.
FALSE
TO STIR UP SOMETHING, YOU MUST USE YOUR HAND. MOVING YOUR HAND TAKES MECHANICAL ENERGY.
MARY WANTS TO SEE WHICH OF HER FOUR AIRPLANES WILL FLY THE THE FARTHEST. THEY ARE THE SAME SHAPE AND SIZE. HOW CAN SHE MAKE HER RESULTS MORE RELIABLE?
A. PERFORM MULTIPLE TRIALS WITH EACH OF THE FOUR PLANES.
B. PERFORM MULTIPLE TRIALS WITH DIFFERENT PLANES.
C. PERFORM MULTIPLE TRIALS WITH ONE PLANE.
D. PERFORM MULTIPLE TRIALS WITH THE LIGHTEST PLANE.
A. PERFORM MULTIPLE TRIALS WITH EACH OF THE FOUR PLANES.
A B
- + - +
- + - +
- + - +
IF ITEM A AND B WERE HELD BESIDE EACH OTHER WHAT WOULD HAPPEN?
THE ITEMS WOULD ATTRACT EACH OTHER. (OPPOSITES ATTRACT)
WHEN YOU BOIL WATER, WHAT KIND OF CHANGE DOES IT GO THROUGH?
PHYSICAL CHANGE
THE WATER CHANGES TO STEAM AND EVAPORATES.
IF A YELLOW BALL DISPLACES MORE WATER THAN A PURPLE BALL, WHAT MUST BE TRUE OF THE YELLOW BALL.
A. IT HAS MORE MASS THAN THE PURPLE BALL.
B. IT HAS MORE WEIGHT THAN THE PURPLE BALL.
C. IT HAS MORE MATTER THAN THE PURPLE BALL.
D. IT HAS MORE VOLUME THAN THE PURPLE BALL.
D. IT HAS MORE VOLUME
TRUE OR FALSE
IF YOU HOLD A BASEBALL OVER YOUR HEAD, A CHANGE CAUSED BY APPLYING ENERGY TO IT IS HAPPENING.
FALSE
THE BALL IS NOT CHANGING IF IT IS NOT MOVING WHEN IT IS HELD OVER YOUR HEAD.
WHICH ITEMS ARE CONDUCTORS.
GLASS IRON PAPER
WATER RUBBER ALUMINUM
PLASTIC COPPER WOOD
WATER
IRON
ALUMINUM
COPPER
IF YOU CAUSED A RULER TO BECOME ELECTRICALLY CHARGED BY RUBBING IT IN YOUR HAIR, WOULD IT BE ATTRACTED TO AN UNCHARGED PIECE OF PAPER?
YES
RULER ELECTRICALLY CHARGED
PAPER UNCHARGED
*OPPOSITES ATTRACT
IF BUBBLES FORM AND A FIZZING SOUND IS HEARD, WHAT KIND OF CHANGE IS TAKING PLACE?
CHEMICAL
IF YOU CRUSH A PEPPERMINT, HOW WILL CRUSHING IT EFFECT ITS DISSOLVING PROCESS.
CRUSHING THE CANDY WILL SPEED UP THE DISSOLVING PROCESS.
LIST ALL OF THE SELECTIONS THAT ENERGY IS CAUSING A CHANGE TO OCCUR BY APPLYING ENERGY TO THE OBJECT.
A. THROWING A BALL
B. HOLDING A BALL ON THE GROUND.
C. BOUNCING A BALL.
D. PUSHING A BALL DOWN A SLIDE.
E. SPINNING A BALL.
F. PASSING A BALL TO A FRIEND.
A. THROWING
C. BOUNCING
D. PUSHING
E. SPINNING
F. PASSING
WHICH ITEMS ARE INSULATORS (STOPS ELECTRICITY)?
TIN PAPER RUBBER
FOIL WATER WOOD
FABRIC LEAD COPPER
FABRIC
PAPER
RUBBER
WOOD
A TIRE IS ROLLING DOWN A RAMP AND STOPS. WHAT TWO FORCES ACT UPON IT?
A. VOLUME AND MASS
B. GRAVITY AND VOLUME
C. FRICTION AND GRAVITY
D. FRICTION AND MASS
C FRICTION AND GRAVITY
*FRICTION- STOPS
*GRAVITY- PULLS DOWN
CHANGES IN WATER IS ALWAYS A __________ CHANGE.
LIQUID TO SOLID GAS TO LIQUID
SOLID TO GAS SOLID TO LIQUID
LIQUID TO GAS GAS TO SOLID
A CHANGE IN WATER IS ALWAYS A
PHYSICAL CHANGE
WHEN YOU PUT SALT AND SAND IN A CONTAINER OF WATER AND STIR IT UP, WHAT WILL HAPPEN.
A. THE SAND WILL DISSOLVE, BUT NOT THE SALT.
B. THE SALT WILL DISSOLVE, SAND WILL SETTLE TO THE BOTTOM.
C. BOTH THE SALT AND SAND WILL DISSOLVE.
D. NEITHER ONE WILL DISSOLVE.
B. THE SALT WILL DISSOLVE AND THE SAND WILL SETTLE TO THE BOTTOM.
IF YOU WANT TO MOVE A FISH TANKS THAT HAS PEBBLES IN IT, HOW CAN YOU DECREASE ITS MASS AND MAKE IT EASIER TO MOVE?
REMOVE THE PEBBLES, WHICH WILL DECREASE ITS MASS, MAKING IT EASIER TO MOVE.
WHICH STATEMENT IS TRUE?
A. ALL OBJECTS REQUIRE THE SAME AMOUNT OF FORCE TO MOVE THEM.
B. AN OBJECT WITH LESS MASS REQUIRES MORE FORCE TO MOVE IT.
C. WHEN YOU MOVE AN OBJECT ITS MASS CHANGES.
D. AN OBJECT WITH MORE MASS REQUIRES MORE FORCE TO MOVE IT.
D. AN OBJECT WITH MORE MASS REQUIRES MORE FORCE TO MOVE IT.
MASS- WHAT AN OBJECT IS MADE OF.
BRIEN AND BRUCE ARE PULLING A POLE DOWN. BRIEN IS PULLING WITH A FORCE OF 45 N AND BRUCE IS PULLING WITH A FORCE OF 35 N. WHICH STATEMENT IS TRUE?
A. THE POLE WILL FALL TOWARDS BRUCE.
B. THE POLE WILL FALL AWAY FROM BOTH OF THEM.
C. THE POLE WILL NOT MOVE AT ALL.
D. THE POLE WILL FALL TOWARDS BRIEN.
D. THE POLE WILL FALL TOWARDS BRIEN.
*45N IS MORE THAN 35N. BRIEN IS PULLING WITH MORE FORCE.