In a balanced aquatic ecosystem, which of the following would have the greatest population? Plankton
Any astronmical body that revolves around a larger body is called? A satellite
In chemistry, to be classified as an organic substance, a substance must contain? Carbon atoms
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
If the ratio of sides of two square is 3:1, what is the ratio of their perimeters 3:1
A printing press will print 6,000 copies in 20 minutes. A second press can print 15,000 in 60 minutes, How
many more copies per minute will the faster press print than the slower press? 3,000