periodic table
biology
astronomy
geology
meteorology
100

This metal is commonly used to make jewelry.

What is Gold?

100
This is the powerhouse of the cell.

What is the mitochondria?

100

This is our home galaxy.

What is the Milky Way?

100

These are moving parts of the earth that hold the continents, one for each. (Except Europe, they just wanted to be different.)

What are tectonic plates?

100

This is the third season of the year, commonly seen with orange leaves, and nice evening strolls.

What is Autumn and/or Fall?

200

This is the most abundant element in the universe.

What is Hydrogen?

200

This is a branch of natural science that deals with the structural organization of living things.

What is anatomy?

200

This is the closest star to us.

What is Proxima Centauri?

200

This process can lead to rocks deteriorating.

What is weathering and/or erosion?

200

This is commonly seen as gray clouds blotting out the sky.

What is an overcast?

300
This is an actinide, specifically the fourth.

What is Uranium?

300

This is the scientific study of functions and mechanisms in a living system.

What is physiology?

300

This constellation looks like a pot.

What is the Big Dipper?

300

This is the latest discovered lava lake in the world.

What is Mount Michael?

300

This weather phenomenon has stones of ice falling from the sky.

What is hail?

400

This element is the lightest halogen.

What is Fluorine?
400

This term is most common in biochemistry, where it is a synonym of saccharide.

What is a carbohydrate?

400

This rover collects samples, and is part of a three-part mission to see if there was life on Mars.

What is Perserverance?

400

David A. Johnson died in the explosion of this volcano.

What is Mount St. Helens?

400

This is a sudden moderately heavy snowfall with blowing snow and strong, gusty surface winds.

What is a snowsquall?

500

This element is often argued over, and some believe Friedrich Oskar Giesel should be credited with it's discovery.

What is Actinium?

500

This is any eukaryotic organism that is not an animal, land plant, or fungus.

What is a protist?

500

This is my favorite star system. (hint, it's in the title)

What is δ Andromedae?

500

This volcano claimed the life of Pliny the Elder, one of the first notable volcanologists.

What is Mount Vesuvius?

500

This is a fire that attains such intensity it gains and sustains it's own wind system.

What is a firestorm?