ANIMAL KINGDOM
What is the largest living animal on Earth?
Blue whale
What gas makes up approximately 78% of Earth's atmosphere?
Nitrogen
What force slows down objects when two surfaces rub against each other?
Friction
What is the name of the process when liquid water changes into water vapor?
Evaporation
What scientist is famous for developing the theory of relativity?
Albert Einstein
What group of animals has feathers, beaks, and lays hard-shelled eggs?
Birds
What is the chemical symbol for sodium?
Na
What is the unit used to measure force?
Newton
What instrument measures temperature?
Thermometer
Who is credited with discovering penicillin?
Alexander Fleming
What type of animal can maintain a relatively constant internal body temperature using its own metabolism?
Endotherm (warm-blooded animal)
What is the atomic number of an element determined by?
Number of protons
What is the formula for calculating speed?
Distance ÷ Time
What is the name of the process when water vapor changes into liquid water?
Condensation
What scientist developed the three laws of motion?
Isaac Newton
What is the scientific term for animals that are most active during the night?
Nocturnal
What type of bond forms when one atom transfers electrons to another atom?
Ionic bond
What is the term for an object's resistance to changes in its motion?
Inertia
What type of cloud is commonly associated with thunderstorms?
Cumulonimbus
What scientist is known for discovering the basic principles of inheritance through experiments with pea plants?
Gregor Mendel
What is the name of the evolutionary process in which unrelated species develop similar traits because they live in similar environments?
Convergent evolution
What is the name of a substance that speeds up a chemical reaction without being consumed?
Catalyst
What is the acceleration of an object that changes velocity from 0 to 20 m/s in 5 seconds?
4 m/s²
What is the name of the effect in which Earth's rotation causes moving air and ocean currents to curve?
Coriolis effect
Which scientist's X-ray diffraction work provided crucial evidence for the double-helix structure of DNA?
Rosalind Franklin