This is the term for two lines that cross each other at a perfect 90° right angle.
What are perpendicular lines
It is the process green plants use to turn sunlight, water, and carbon dioxide into food.
What is photosynthesis
This name is given to the first ten amendments to the United States Constitution.
What is the Bill of Rights
This infamous spider features a distinct red hourglass shape on its abdomen.
What is the black widow?
This is the term for the natural phenomenon where deep-sea creatures chemically glow in the dark.
What is bioluminescence
This is the geometric term for an angle that measures greater than 0° but less than 90°.
What is an acute angle
This structure is famously known as the "powerhouse of the cell" because it generates energy.
What is the mitochondria
A U.S. President is elected to serve a term that lasts this many years
What is 4 years
Look at their eight legs; spiders are classified as this type of animal, not insects.
What are arachnids
Reaching lengths of up to 100 feet, this sea creature is the largest animal ever known to exist.
What is the blue whale
This specific term describes a flat, two-dimensional surface that extends infinitely in all directions.
What is a plane
This chemical molecule carries the genetic instructions for all living things.
What is DNA
The United States Senate has this exact total number of senators.
What is 100
Spiders have exactly this many body sections, known as the cephalothorax and the abdomen.
What is two
Due to extreme depth and vast size, this percentage of Earth's oceans remains totally unmapped by humans.
What is 80 percent (or more than 80%)
According to the Segment Addition Postulate, if Point B is between Points A and C, adding AB and BC gives you this total distance.
What is AC (or the total length of the line segment)
This vital organ is responsible for pumping oxygen-rich blood throughout the human body
What is the heart
It is the highest court in the United States legal system
What is the Supreme Court
Weighing up to 6 ounces, this specific tarantula is the largest spider in the world by mass.
What is the Goliath birdeater
When these erupt deep underwater, the freezing temperatures and intense pressure turn the magma instantly to stone.
What are volcanoes (or underwater volcanoes)
This is the term for two angles that sit right next to each other and add up to exactly 90°
What are complementary angles
A, B, AB, and O are the four primary types of this liquid found in humans
What is blood
These are the three separate branches that make up the U.S. government.
What are the Legislative, Executive, and Judicial branches
Thinner than human hair, this spider-made material is stronger than steel of the same thickness
What is Spider Silk
Located in the Mariana Trench, it is the deepest known point in the global ocean.
What is the Challenger Deep