Study Questions with Verified
Answers
1. What are the 2 main gases that make up stars? - ANSWER Hydrogen and
helium
2. A radar is designed to report the track of an aircraft every second. If this
radar reports 30 tracks in one minute, what percentage of the time did the
radar track the aircraft? - ANSWER 50%
3. Jerry walked a dog from 6:40am to 7:30pm one day. If he was paid at the
rate of 6$ per hour, how much did he earn that day? - ANSWER $5.00
4. A women 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? - ANSWER 176 sq ft
5. If the perimeter of a square garden is 84 feet, what is the area of the garden?
- ANSWER 441sqft
6. How many feet of chain fence are necessary to enclose a dog pen that is
square and has an area of 64sqft - ANSWER 32
7. The pet store had 6 puppies selling for $104 each and 12 kittens selling for
$24 each. Today, only 2 puppies and 8 kittens we're left. In dollar terms,
what was the ratio of sales of puppies and kittens? - ANSWER 13 to 3
,8. The price of salmon at a fish market is $5.40 per pound. This is 150% of it's
cost at a supermarket. How much would it cost per pound at a supermarket?
- ANSWER $3.60
9. A square has how many sides? - ANSWER 4
10.How much is 2 plus 2? - ANSWER 4
11.A rose is a what? - ANSWER A flower
12.What is the best explanation of how a smooth round stone became smooth? -
ANSWER It was in a stream for a long time
13.If you place bean seeds between moist paper towels and watch the stem
leaves appear you will see a demonstration of? - ANSWER germination
14.Any astronomical body that revolves around a larger body is called? -
ANSWER satellite
15.In chemistry, to be classified as an organic substance, a substance must
contain? - ANSWER carbon atoms
16.What element does not contain any neutrons? - ANSWER Hydrogen
17.What is the symbol for hydroxyl ion? - ANSWER OH-
,18.A perpetual-motion machine can never be built because it is not possible to
eliminate what? - ANSWER Clasticity
19.The chemical formula of a compound describes the elements the compound
contains and the... - ANSWER the ratio of elements in a compound
20.When scientists measures a liquids resistance to flow, they are measuring the
liquids... - ANSWER Viscosity
21.The tympanic membranes are also known as the... - ANSWER Ear drums
22.When sodium atoms form sodium ions they: - ANSWER lose electrons
23.Choking is prevented by the...? - ANSWER epiglottis covering the voice
box
24.Which of the following actions produce & chemical change? - ANSWER
Adding salt to the hot water
25.Which of the following is a non-renewable resource? - ANSWER Copper
26.A train goes twice as fast downhill as it can go uphill, and 2/3 as fast uphill
as it can go on level ground. If it goes 120 mph downhill, how long will it
take to travel 45 miles on flat land? - ANSWER 1/2 hour
27.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? -
ANSWER 16 units
28.Each August, a restaurant'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
3.7%. What is the new rent per month? - ANSWER $1,607.35
29.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 pf that child getting a
green marble? - ANSWER .66
30.Before being painted, a concrete play area was marked off into squares and
then into triangles. For the square shown, what is the area of the triangular
part labeled XYZ? - ANSWER 32sqft
31.They "consoled" each other after the accident. - ANSWER solaced
32.the cashier negated the charge of the item - ANSWER nullified
33.crass most nearly means - ANSWER crude
34.Peruse most nearly means - ANSWER study
35.the lens of the eye focuses light rays as they enter the eye. muscles around
the lens react to light and change the shape of the lens by expanding or
contracting. certain diseases or injury to the lens of the eye can result in
blurry vision. according to the paragraph,the lens of the eye is used to -
ANSWER focus light