1.
The study of celestial objects.
2.
The science of studying ancient human history.
3.
The variety of life forms on Earth.
4.
A cultural revival and rebirth of art.
5.
A community of living organisms and environment
6.
A dramatic change in form or appearance.
7.
The study of fundamental questions about existence and reality.
8.
Related to the smallest discrete unit of a physical property.
9.
The study of heredity and genes.
10.
To combine different elements to create something new.
11.
A historical period of intense questioning and investigation.
12.
A cloud of gas and dust in space.
13.
A cultural movement in Europe during the 14th-17th centuries.
14.
A period of intellectual and philosophical growth.
15.
Extinct reptiles from prehistoric times.
16.
A system of government or administration.
17.
A mountain that erupts molten rock and ash.
18.
A device to magnify tiny objects for examination.
19.
A step-by-step problem-solving procedure.
20.
A form of government where citizens have a say.
21.
A protective layer in Earth's atmosphere.
22.
A proposed explanation for an observed phenomenon.
23.
An advanced society with complex culture and institutions.
24.
The process by which plants convert sunlight into energy.
26.
The study of ancient life forms.
27.
System Our sun and the celestial bodies that orbit it.
28.
The study of Earth's physical features and landscapes.
29.
The genetic code of life.
30.
Related to the Earth's crust and its movements.
31.
A ruler, often a king or queen.
32.
A massive ocean wave usually caused by an earthquake.
33.
A preserved remains of an ancient organism.
