Biology
What is the powerhouse of the cell?
Mitochondria
What is the closest celestial body to Earth?
The moon
What is the name of the process of water changing to liquid?
Evaporation
What is the name of the process by which plants convert sunlight into energy?
Photosynthesis
What planet is closest to the sun?
Mercury
What is the tough outer covering on insects called?
Exoskeleton
What is the closest galaxy to ours?
Andromeda
What is the study of earthquakes called?
Seismology
What is the process by which the microspores of a seed plant are transferred to another?
Pollination
How many stages does a butterfly's life cycle have?
4
What is the largest organ inside the body?
The liver
Which planet has the hottest surface temperature?
Venus
The Earth's magnetic field is caused by the solidification of its liquid core of what material?
Iron
What is the term for a plant that sheds its leaves for a part of the year?
Deciduous
What is the strongest bone in the body?
Femur
What is the name of the protein that helps form nails, hair, and skin?
Keratin
What layer of the atmosphere is the warmest?
What layer of the atmosphere absorbs UV radiation?
Stratosphere
What is the term for a plant that lives for two or more years?
Perennial
What is yeast a type of?
Fungus
What is the name of the amino acid that gives skin, hair, and eyes their color?
Melanin
What is the term for the halo around the poles that results from ions in solar wind interacting with oxygen and nitrogen atoms of Earth's atmosphere?
Aurora
What is the name for a symbiotic relationship where one party benefits and the other remains unaffected?
Commensalism
What is the term for the protective film covering the outermost skin layer of leaves, and also shares a name with a part of the finger?
Cuticle
How many pairs of chromosomes are in a person?
23