PHYSICS
What force pulls objects toward the Earth?
Gravity
What is the chemical symbol for sodium?
Na
What organ pumps blood throughout the human body?
The heart
What is the outermost solid layer of the Earth called?
The crust
What star is at the center of our solar system?
The Sun
What type of energy does a moving object possess?
Kinetic Energy
What is the chemical symbol for potassium?
K
Which organelle is known as the powerhouse of the cell?
Mitochondrion
What type of rock forms when magma or lava cools and solidifies?
Igneous Rock
Which planet is known as the Red Planet?
Mars
What type of simple machine is a seesaw?
Lever
What is the pH of a neutral solution at room temperature?
7
What is the name of the process by which a caterpillar transforms into a butterfly?
Metamorphosis
What is the process called when water vapor changes into liquid water?
Condensation
What is the name of the process by which rocks are broken down into smaller pieces by wind, water, or temperature changes?
Weathering
What is the unit of force in the International System of Units (SI)?
Newton
What is the name of the process in which a solid changes directly into a gas?
Sublimation
What is the name of the process by which cells divide to produce two genetically identical daughter cells?
Mitosis
What is the name of the molten rock found beneath Earth's surface?
Magma
What is the name of the phenomenon in which the Moon passes between the Sun and Earth, blocking the Sun's light?
Solar Eclipse
A car travels 150 meters in 10 seconds. What is its average speed?
15 m/s
An atom has 11 protons and 12 neutrons. What is its mass number?
23
What is the name of the process in which some animals, such as lizards, can regrow lost body parts?
Regeneration
What is the name of the supercontinent that existed millions of years ago, before breaking apart into the continents we know today?
Pangea
What is the name of the region around a star where conditions may allow liquid water to exist on a planet's surface, making life as we know it possible?
Goldilocks Zone