Unit 1
The distance and direction of an object's change in position from its starting point to its final point
What is displacement?
An external factor that can be a push or a pull.
What is force
Every action force has an equal and opposite reaction force.
What is Newton's third law of motion?
Famous for using one of the first telescopes for observing the sky.
Who is Galileo Galilei?
The Earth's only natural satellite.
What is the Moon?
Who is Nicolaus Copernicus
An object at rest tends to stay at rest
What is Newton's first law of motion?
What are Ferromagnetic metals?
The smallest unit of matter that has the chemical properties of an element.
What is an Atom?
The regular rise and fall of the level of the ocean.
What are the tides?
The change in velocity over time.
What is acceleration
A force that resists motion.
What is friction?
The measure of how hard it is to stop an object.
What is Kinetic energy?
A planet that is made of of rocks and metals and has a surface.
What is a rocky planet?
The imaginary line passing directly through the center of the earth horizontally.
What is the Earth's axis?