July 2023

ACROSS
1. The force that attracts objects toward each other, dependent on their mass and distance.
5. A large and powerful ocean wave, usually caused by an undersea earthquake or volcanic eruption.
6. A substance that kills or inhibits the growth of bacteria, commonly used in medicine.
DOWN
2. A period of cultural and artistic revival in Europe during the 14th to 17th centuries.
3. The study of heredity and variation in living organisms.
4. Imaginary lines that run vertically on the Earth's surface, used to determine east-west locations.