Science Round 6 switches to multiple choice. Twenty questions spanning biology, chemistry, physics, astronomy, and earth science.
Pick the correct answer from four options. No lab goggles required, but concentration helps.
- What is the chemical formula for water?
- How many bones does a typical adult human skeleton contain?
- What is the atomic number of carbon?
- Which organ of the human body produces insulin?
- What is the largest animal that has ever lived?
- What is the scientific study of earthquakes called?
- Which gas do plants release as a by-product of photosynthesis?
- How many hearts does an octopus have?
- Which subatomic particle has no electric charge?
- What is the chemical symbol for potassium?
- Which blood type is considered the universal donor?
- What is the scientific study of fossils called?
- Which element is the most abundant in Earth's crust by mass?
- What is the SI unit of force?
- What is the smallest unit of an element that retains the element's properties?
- Who is credited with the theory of evolution by natural selection?
- Approximately what is the boiling point of liquid nitrogen in degrees Celsius?
- What is the most abundant element in the universe?
- What is the smallest bone in the human body?
- How many pairs of chromosomes does a typical human cell contain?