Biology
What is the chemical symbol for water?
H₂O
What force keeps us on the ground?
Gravity
Name the three types of rocks.
Igneous, Sedimentary, Metamorphic
What is the boiling point of water in Celsius?
100°C
What gas to humans exhale?
Carbon dioxide
What is the pH of a neutral substance?
7
What is the unit of force?
Newton (N)
What is the molten rock beneath Earth’s surface called?
Magma
Name a non-renewable energy source.
Coal, oil, or natural gas
What is the term for maintaining internal balance?
Homeostasis
Name the element with the symbol “Na.”
Sodium
Define potential energy.
Stored energy due to position or state
What is the term for the process of breaking down rocks?
Weathering
What is a hypothesis?
An educated guess or prediction that can be tested
Name the process where plants lose water through leaves.
Transpiration
What type of bond is formed by sharing electrons
Covalent bond
What is the speed of light in a vacuum?
approximately 3.00 × 10⁸ m/s
(299,792,458m/s)
Name the layer of Earth where tectonic plates are found.
Lithosphere
Name the planet closest to the Sun.
Mercury
What organ filters blood in the human body?
Kidney
State the Law of Conservation of Mass.
Mass is neither created nor destroyed in a chemical reaction
State Newton’s Second Law of Motion
Force = mass × acceleration
What is the main gas in Earth’s atmosphere?
Nitrogen
What is the SI unit of temperature?
Kelvin (K)