There's element number 79 in them thar hills!
What is gold?
At the center of the Milky Way galaxy you find one of these, whose gravity is so strong not even light can escape.
What is a super-massive black hole?
Bread and spaghetti are excellent sources of this, one of the major categories of nutrients.
What are carbohydrates?
If you shoot an arrow upwards, this force drags it back downwards.
What is gravity?
Plants convert sunlight and carbon dioxide into glucose molecules (and grow bigger) using this process.
What is photosynthesis?
Element number 6 is the building block of all organic molecules, including sugars and DNA.
What is carbon?
Near the end of its life, the sun will swell up and become one of these, just like the star Betelgeuse.
What is a red giant?
Vegetable oil is made of triglycerides. If that word is too big, you can use this 3-letter word instead.
What is "fat"?
What is electricity?
What are the roots?
Element 29 is used to make the outer shell of pennies.
What is copper?
The farthest man-made objects from earth, they were launched in the 1970's and sent back many awesome photos of Jupiter and Saturn.
What are the Voyager spacecraft?
When you swallow your food it goes into your stomach. However, most of the absorption of nutrients into your body takes place here.
What is your small intestine?
The term for a flat, highly reflective surface - hey, I can see myself!
What is a mirror?
There are two major types of trees: deciduous, which lose their leaves each year, and this type, which don't lose leaves.
What is coniferous?
Element 20 is an essential nutrient to keep your bones and teeth strong.
What is calcium?
Sirius is the brightest star in the night sky. It's also known as this, named after its constellation Canis Major.
What is the "Dog Star"?
A shortage of this vitamin can cause scurvy, a deadly disease common among pirates in the 18th century.
What is vitamin C?
Guard your eyes when playing with a "light amplification by stimulated emission of radiation" device, commonly known as this.
What is a LASER?
Any plant growing where humans don't want it to grow is called one of these.
What is a weed?
Element 92 is radioactive and is used to generate power in nuclear power plants.
What is uranium?
This masked man tried to convince his son Luke to join him to rule a galaxy far, far away.
Who is Darth Vader?
The main sweetener in sodas like Coke and Pepsi.
What is high-fructose corn syrup?
This famous scientist declared that E = mc2.
Who is Einstein?
The leaves of the tobacco plant contain a lot of this substance, which can be addictive to those who smoke them.
What is nicotine?