Complete Question Bank with Explanations |
Grade A+
• Which element does NOT contain any neutrons? -✓✓Hydrogen
• The chemical formula of a compound describes the elements the
compound contains and the? -✓✓Ratio of elements in the compound
• What is the symbol for the hydroxyl ion? -✓✓OH-
• The tympanic membranes are also known as the? -✓✓Ear drums
• Which of the following actions produce a chemical change? -
✓✓Adding salt to the hot water
• Choking is prevented by the? -✓✓Epiglottis covering the voice box
• What a do a hydrogen molecule and an oxygen molecule have in
common? -✓✓The size
• Which of the following is a non-renewable resource? -✓✓Wood
,• A perpetual-motion machine can never be built because it is not
possible to eliminate -✓✓Elasticity
• Which of the following is a renewable resource? -✓✓Peanut Oil
• When scientists measure a liquids resistance to flow, they are
measuring the liquid's? -✓✓Viscosity
• A student bought a sandwich for 80 cents, milk for 20 cents, and pie
for 30 cents. How much did the meal cost? -✓✓$1.30
• Together, two people earn $28,000. One earns $2,000 more than the
other. How much is the smallest income? -✓✓$13,000
• Jerry walked a dog from 6:40 am to 7:30 pm one day. If he was paid at
the rate of 6$ per hour, how much did he earn that day? -✓✓$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? -✓✓968 sq feet
• How many feet of chain fence are necessary to enclose a dog pen that
is square and has an area of 64 sq feet? -✓✓32
, • A train goes twice as fast downhill as it can go uphill, and 2/3 feet as
fast uphill as it can go on level ground. If it goes 120 miles per hour
downhill, how long will it take to travel 45 miles per flat land? -✓✓1/2
hour
• Each August, a resentment's rent is adjusted to the cost-of-living index.
The rent has been $1,550 a month, and the cost of living index for this
August was 3.796. What is the new rent per month? -✓✓$1,607.35
• Shawn purchased a shirt for $22.05. If this includes. If this includes 5%
sales tax, what was the actual price of the shirt? -✓✓$20.95
• The pet store had six puppies selling for $104 each and twelve kittens
selling for $104 each and twelve kittens selling for 24 each. Today only
two puppies and eight kittens were left. in dollar terms, what was the
ratio of sales puppies to kittens? -✓✓13 to 3
• There are 9 red and 6 green marbles in a bag. A child reaches in the
bag and randomly takes one marble. What is the probability of that child
getting a green marble? -✓✓.40
• Jamie just bought two boxes. The first box is square, with each side
measuring 10 units, and is 4 units high. The second box is rectangular
and has twice the volume of the square box. If the height of the second
box is 5 units, and the width is 10 units, what is the length of the second
box? -✓✓16 units