TEST.
Which of these reduces friction - CORRECT ANSWER ball bearings
When a lobster grows a claw to replace one that was lost, the process is called - CORRECT ANSWER
regeneration
Any astronomical body that revolves around a larger body is called - CORRECT ANSWER satellite
In chemistry, to be classified as an organic substance, a substance must contain? - CORRECT ANSWER
carbon atoms
Which element does NOT contain any neutrons - CORRECT ANSWER Hydrogen
The chemical formula of a compound describes the elements the compound contains and the - CORRECT
ANSWER the ratio of elements in a compound
What is the symbol for the hydroxyl ion - CORRECT ANSWER OH-
The Tympanic membranes are also known as the - CORRECT ANSWER Ear drum
Which of the following actions produce a chemical change - CORRECT ANSWER adding salt to the hot
water
Choking is prevented by the - CORRECT ANSWER Epiglottis
A perpetual-motion machine can never be built because it is not possible to eliminate - CORRECT
ANSWER elasticity
, Which of the following is a renewable source - CORRECT ANSWER
When scientist measures a liquid's resistance to flow, they are measuring the liquids - CORRECT
ANSWER Viscosity
Regeneration in man is limited to - CORRECT ANSWER Healing of wounds
How many atoms are in a single molecule of water (H2O) - CORRECT ANSWER 2 atoms
A student bought a sandwich for 80 cents, milk for 20 cent and pie for 30 cents. How much did the meal
cost - CORRECT ANSWER $1.30
A radar is designed to report the track is an aircraft every semiconductor. If the radar reports 30 tracks
in one minute, what percentage of time did the radar track the aircraft? - CORRECT ANSWER 50%
Jerry walked a dog from 6:40 a.m. to 7:30 a.m. one day. If he was paid at the rate of $6 per hour, how
much did he earn that day? - CORRECT ANSWER $5.00
A woman is looking for a bigger square office. She finds an office twice the area of her current office. If
the perimeter of her current office is 88 feet, how many square feet is the new office? - CORRECT
ANSWER 176 sq ft
If the perimeter of a square garden is 84 feet, what is the area of the garden - CORRECT ANSWER 441 sq
ft
How many feet of chain fence are necessary to enclose a dog pen that is square and has an area of 64
square feet - CORRECT ANSWER 32
The pet store had 6 puppies selling for $104 each and 12 kittens selling for $24 each. Today, only 2
puppies and 8 kittens were left. In dollar terms, what was the ratio of sales of puppies versus kittens? -
CORRECT ANSWER 13:3