Science
What gas do humans exhale as a waste product of respiration?
Carbon dioxide
What does “Wi-Fi” allow devices to do?
Connect to the internet
What simple machine is a ramp an example of?
Inclined plane
What is 18% of 50?
9
Does ice float on water? Is it:
(a) Float (b) Sink (c) Depends on salinity (d) Depends on temperature
(a) Float
If a loop runs 5 times and prints “Hi” each time, how many total prints appear?
5 times
Why do skyscrapers often have a wider base than top? Is it
(a) Earthquake resistance (b) Wind resistance (c) Stability (d) Weight distribution
A triangle has two angles measuring 40° and 65°. What is the third angle?
75°
What organ filters waste from the blood to produce urine?
Kidneys
Give one example of computer hardware that stores long-term data.
Answer (not limited to): Hard Disk Drives (HDDs), Solid State Drives (SSDs), Optical disks (CDs, DVDs, Blu-ray)
You have three identical light bulbs connected to a battery in three different ways: Series, parallel, and series-parallel combination. Which connection will make the bulbs brightest?
(a) Series (b) Parallel (c) Series-parallel combination (d) All the same
(b) Parallel
Solve for x: 3(x − 4) + 5 = 2x + 7
x=14
A plant is placed in a room with only green light. Which of the following will most likely happen to the plant after a week?
(a) It grows normally (b) It grows taller than usual (c) It changes color to blue (d) It shows little or no growth
(d) It shows little or no growth
Give an example of "input" for a computer.
Answers (not limited to): Mouse, keyboard, microphone, camera
To reduce heat loss from a building, engineers could:
(a) Add insulation (b) Use thinner walls (c) Replace windows with single-pane glass (d) Remove doors
A sequence is defined as follows: 7, 49, 343, 2401,... What is the one's digit for the 777th term?
(a) 5 (b) 6 (c) 7 (d) 8
(c) 7