QUESTIONS & ANSWERS
WHICH OF THESE IS THE BEST EXPLANTION OF HOW A SMOOTH ROUND STONE
BECAME SMOOTH? Correct Ans-IT WAS IN A STREAM FOR A LONG TIME
WHEN A LOBSTER GROWS A CLAW TO REPLACE ONE THAT WAS LOST, THE
PROCCESS IS CALLED Correct Ans-REGENERATION
Any astronomical body that revolves around a larger body is called? Correct Ans-A
SATELLITE
IN CHEMISTRY, TO BE CLASSFIED AS AN ORGANIC SUBSTANCE MUST
CONTAIN? Correct Ans-CARBON ATOMS
Which element does not contain any neutrons? Correct Ans-Hydrogen
THE CHEMICAL FORMULA OF A COMPOUND DESCRIBES THE ELEMENT THE
COMPOUND CONTAINS AND THE Correct Ans-RATIO OF ELEMENT IN THE
COMPOUD
WHAT IS THE SYMBOL FOR THE HYDROXYL ION Correct Ans-OH-
, THE TYMPANIC MEMBRANES ARE ALSO KNOWN AS THE Correct Ans-EAR DRUMS
WHICH OF THE FOLLOWING ACTIONS PRODUCE A CHEMICAL CHANGE? Correct
Ans-ADDING SALT TO THE HOT WATER
CHOKING IS PREVENTED BY THE Correct Ans-EPIGLOTTIS COVERING THE VOICE
BOX
What do a hydrogen molecule and an oxygen molecule have in common? Correct Ans-THE
SIZE
WHICH OF THE FOLLOWING IS A NON-RENEWABLE RESOURCE? Correct Ans-
COPPER
WHAT ARE TWO MAIN GASES THAT MAKE UP STARS? Correct Ans-hydrogen and
helium
When sodium atoms form sodium ions they: Correct Ans-lose electrons
WHICH OF THE FOLLOWING ENABLES THIS PEN TO WORK? Correct Ans-capillary
action
A STUDENT BOUGHT A SANDWICH FOR 80 CENTS, MILK FOR 20 CENTS, PIE FOR 30
CENTS. HOW MUCH DID THE MEAL COST? Correct Ans-$1.30