I am tall when I am young, and short when I am old. What am I?
A candle
Which planet is closest to the Sun?
Mercury
What is known as the powerhouse of the cell?
The mitochondria
What type of energy is stored in food, coal, and batteries?
Chemical energy
To the nearest thousand, how fast is the speed of light in miles per second?
186 thousand miles per second
What has keys but can’t open locks?
piano
What is a homophone?
A word that sounds the same as another word but has a different meaning (and sometimes different spelling), like “pair” and “pear.”
What is the unit of electrical resistance called?
The ohm
Which animal’s fingerprints are nearly indistinguishable from those of humans?
koala
What is the approximate diameter of the Earth in miles?
7900
What begins with T, ends with T, and has T in it?
teapot
What’s the capital of New Jersey?
Trenton
What four countries make up the United Kingdom?
England, Northern Ireland, Scotland and Wales
What’s the term for an animal that eats both animals and plants?
Omnivore
Animals without backbones are referred to by which term?
Invertebrates
What can travel around the world while staying in a corner?
a stamp
I speak without a mouth and hear without ears. I have nobody, but I come alive with wind. What am I?
echo
What’s the second-largest country in the world by size?
Canada
How many feet are there in a mile?
5280
At what temperature does water boil?
212 F / 100 C
What is so fragile that just saying its name can break it?
silence
What’s the capital of Montana?
Helena
What’s the name for the melted, liquid rock that’s beneath the Earth’s surface?
Magma
Mount Rushmore is located in which state?
South Dakota
What is the writing system used in ancient Egypt known as?
Hieroglyphics