Matter
1. What is a solid?
A state of matter that has a fixed shape and volume.
3. What is dark energy?
A form of energy responsible for the universe's accelerated expansion, accounting for about 68% of the universe's total energy content.
5. What is space?
The vast, seemingly infinite expanse in which all objects in the universe exist, providing the framework for their positions and motion.
7. What is gravity?
A fundamental force that attracts objects with mass toward each other, keeping planets in orbit around the Sun.
9. What are matter, energy, space, and time?
The four fundamental components that shape the structure, dynamics, and evolution of the universe.
2. What is dark matter?
A mysterious form of matter that does not emit or absorb light but exerts a gravitational influence on visible matter.
4. What is kinetic energy?
The energy of motion, associated with moving objects.
6. What is about 8 minutes?
The time it takes for light to travel from the Sun to Earth.
8. What is the electromagnetic force?
A fundamental force responsible for electricity, magnetism, and light.
10. What is the strong nuclear force?
A fundamental force responsible for holding the nucleus of an atom together.