Forces & Motion
This force exists anytime two surfaces move against each other. Try it by rubbing your hands together. You can feel the heat created by this force
What is Friction
This is the force that keep planets in their orbit
What is gravity
We use this instruments to determine how hot or cold it is
What is a thermometer
The kilogram is the basic unit in physics for this value that measures the amount of matter in an object.
What is mass
When a surfer catches this he is actually riding pure energy since the water molecules in it do not move forward.
What is a wave
A term used for describing an object that is not moving.
What is at rest
True or False: Space ships and astronauts in outer space are no longer being pulled toward the Earth by gravity.
What is False
Put your hand on the metal leg of your chair and your other hand on the wood leg of your table. Is the metal leg at a higher temperature, lower temperature or the same temperature as the wood leg?
What is same temperature
This the basic unit in physics to measure how far an object has moved or traveled.
What is the meter
We hear sound because these tiny particles vibrate against our ear drum inside of our ears.
What are air molecules
A car that is changing its speed by either going faster and faster or slower and slower is doing this
What is accelerating
True or False: The force of gravity that the Earth pulls on the moon is the same as the force of the gravity that the moon pulls on the Earth
What is True
Heat is an e_____ that only flows in one direction - From hot substances to cold substances. Batteries store the electrical kind
What is energy
Isaac Newton came up with three laws that govern this about objects
What is motion
The temperature that water boils
What is 212 degrees Fahrenheit or 100 degrees Celsius
A bike continues to move forward even after the rider stops pedaling is due to this
What is inertia
If you were to drop a feather and a rock from the same height at the same time on the moon, they will hit the surface of the moon at the same time due to a lack of this
What is air resistance
The lowest possible temperature for any substance is at -273 degrees celsius. This temperature is 0 Kelvin also known by this term
What is absolute zero
What you use to hang your straight A report card on the refrigerator
What is a Magnet
He dropped two objects with different mass from the top of the Leaning Tower of Pisa and found that they hit the ground at the same time
Who is Galileo
English scientist who "discovered" gravity when an apple fell from a tree and hit him on the head
Who is Isaac Newton
We live in an 8 planet solar system that has 1 star (our sun). Our sun is just one of billions of stars that make up our galaxy which has this name
What is the Milky Way
A metal pot filled with water is being heated on a stove top. The metal pot gets hot much faster than the water inside the pot due to metals being good _____.
What is conductors.
An object builds up a lot of this when it goes faster and faster
What is momentum
Famous physicist known for his E = mc2 equation
Who is Einstein