Anatomy
Astronomy
Botany
Rocks & Minerals
Diseases
200

This system is responsible for carrying messages between your brain and the rest of your body.

What is the nervous system?

200

This dwarf planet was once considered a major planet of the solar system until 2006.

What is Pluto?

200

This part of the water cycle involves plants and tree releasing water vapor into the air. 

What is transpiration?

200

These rocks are formed when molten rock cools and solidifies. 

What are igneous rocks?

200

This virus caused a global pandemic in 2020. 

What is COVID-19?

400

These organs filter your blood and create urine. 

What are the kidneys?

400

This giant storm on Jupiter has been raging for hundreds of years.

What is the Great Red Spot?

400

This green pigment absorbs light energy for photosynthesis.

What is chlorophyll?

400

This type of rock forms when an existing rock is change by heat and pressure.

What is metamorphic rock?

400

This viral respiratory illness comes back every winter, causing fever, body aches, and coughs. 

What is the flu?

600

This system is the body's entire outer covering and largest organ system.

What is the integumentary system?

600

This ice giant is famous for rotating completely on its side, likely due to a massive collision in its past. 

What is Uranus?

600

The male reproductive system of a flower. 

What is the stamen?

600

This black, glassy igneous rock cools so quickly that no cyrstals can form.  

What is obsidian?

600

This baterial infection primarily attacks the lungs.

(hint: its at 71st)

What is tuberculosis?

800

This muscle is primarily responsible for breathing.

What is the diaphragm?

800

A powerful and luminous explosion of a dying star. 

What is a supernova?

800

This plant cell organelle is responsible for storing water, nutrients, and waste. 

What is the vacuole?

800

These two major processes squish and glue loose sediments together to form a sedimentary rock.

What are compaction and cementation?

800

This infectious disease killed millions of people in Europe, Asia, and the Middle East during the 14th century. 

What is the bubonic plague?

1000

This small bone is responsible for acting as a mechanical pulley system to increase the power of the quadriceps muscle when straightening the leg.

What is the patella?

1000

These two elements make up most of the Sun. 

What are hydrogen and helium? 

1000

This dark-independent cycle of photosynthesis takes place in the stroma of the chloroplast and fixes carbon dioxide into sugars.

What is the Calvin cycle (or light-independent reactions)?

1000

This is the  hardest known naturally occurring mineral on Earth, rated at a 10 on the Mohs scale.

What is a diamond?

1000

This chronic respiratory disease causes airway inflammation, wheezing, and trouble breathing during flare-ups.

What is asthma?