Math Challenge
What is 8 × 7
56
What gas do humans need to breathe to survive?
Oxygen
Who was the first president of the United States?
George Washington
What has hands and a face but cannot hold anything or smile?
A clock
What computer device is commonly used to move a pointer and click objects on a screen?
A mouse
A rectangle is 9 inches long and 4 inches wide. What is its area?
36 square inches
What process allows plants to use sunlight to make food?
Photosynthesis
What document announced that the thirteen colonies were separating from Great Britain?
The Declaration of Independence
I am an odd number. Remove one letter, and I become even. What number am I?
Seven
In coding, what is a set of instructions that repeats called?
A loop
What is 25% of 80?
20
What force pulls objects toward Earth?
Gravity
What war was fought between the Union and the Confederacy from 1861 to 1865?
The American Civil War
A farmer has 17 sheep. All but 9 run away. How many sheep remain?
9
What is a variable in computer programming?
A named place holder used to store information or data
Solve: 3x + 5 = 26
x = 7
What is the difference between evaporation and condensation?
Evaporation changes a liquid into a gas; condensation changes a gas into a liquid.
What purchase made by Thomas Jefferson nearly doubled the size of the United States?
The Louisiana Purchase
Two fathers and two sons go fishing. Each person catches one fish, but they catch only three fish altogether. How is this possible?
They are a grandfather, a father and a son.
A robot’s distance sensor detects an obstacle. What type of programming statement can make the robot decide whether to stop?
An if statement or conditional statement
A right triangle has legs measuring 6 units and 8 units. What is the length of its hypotenuse?
10 units
An organism has inherited traits from both parents. What structures inside its cells carry the instructions for these traits?
Genes or DNA
What Supreme Court case established the principle of judicial review?
Marbury v. Madison
You have three switches downstairs. One switch controls a lightbulb upstairs. You may go upstairs only once. How can you determine which switch controls the bulb?
Turn on the first switch for several minutes, turn it off, turn on the second switch and go upstairs. If the bulb is on, it is the second switch. If it is off but warm, it is the first. If it is off and cold, it is the third.
What is the difference between a syntax error and a logic error?
A syntax error breaks the rules of the programming language; a logic error allows the program to run but produces the wrong result.