Word Knowledge
This word means to increase.
A. Reduce B. Expand C. Shrink D. Hide
B. Expand
A pencil costs $2. You buy 24 pencils. How much do you spend?
48
How many bones does an adult human body have?
206
Which mechanism is used to rise a flag on a flag pole?
A pulley mechanism
What is 152 ?
225
What does scarce mean?
A. Common B. Loud C. Heavy D. Rare
D. Rare
A vehicle travels 180 miles in 3 hours. What is its average speed in mph?
60 mph
What is the chemical symbol for Sodium?
Na
Which gear turns faster: a large gear or a small gear connected to it?
a small gear
What is the area of a rectangle that is 12 feet wide and 5 feet long?
60 feet
What does the word meticulous mean?
A. Careless B. Thorough C. Fast D. Weak
B. Thorough
A rope is 24 feet long. It is cut into 6 equal pieces. How long is each piece?
6 feet
What process do plants go through to convert sunlight into food?
Photosynthesis
If the number of teeth on the left gear is 15 and the number of teeth on the right gear is 9 what is the gear ratio?
5 to 3
Solve for x: x+15=42
27
What does the suffix -ology mean?
The study of
A worker earns $18 per every hour he works. He works 3 hours per day for the entire week. How much money has he earned by the end of the week?
$378
What is the pH of a neutral solution?
7
In a lever, the pivot point is called the what?
The fulcrum
Simplify: (8+4) x 5
60
Which word is the best synonym for the word pragmatic?
A. Practical B. Emotional C. Reckless D. Fancy
A. Practical
A tank holds 120 total gallons but is only 75% full. How many gallons are in the tank?
90 gallons
What type of rock forms from cooled lava or magma?
Igneous rock
If a machine has a mechanical advantage of 4, it multiples your input force by what number?
4
If, f(x)=2x+7,
what is f(9)
25