Energy
What is the SI Unit for Energy?
Joule/s
Kinetic energy, energy in _______.
Energy in motion.
Potential energy, Energy that is ________.
Energy that is stored.
what is the Force on earth that holds things down.
GRAVITY
How many LAWS does NEWTON have?
3 LAWS.
Which type of energy is the energy of a moving tennis ball?
Kinetic
Objects with kinetic energy can do ______.
Can do work.
Often, the person or object has potential energy because of its ______ or _______.
Position or Shape.
We inhale ______ and exhale _______.
oxygen and exhale CO2
What is the difference between climate and weather?
Climate- looking at weather patterns over a long period of time.
Weather- focuses on a short period of time. ( what is the weather like TODAY)
Energy is defined by the ____ to ______ or _______ matter in some way.
Energy is defined by the ability to move or change matter in some way.
The amount of kinetic energy can be calculated by which two things?
MASS and its VELOCITY.
What is it about a person sitting on a tree high in the air that gives them so much potential energy.
Their height in relation to the earth's surface.
There are how many planets in our solar system?
8, IF including Pluto, then 9.
Objects in motion will stay in Motion unless acted upon by an __________ force.
OUTSIDE FORCE.
Energy can exist in many ways, name 2.
Chemical energy and mechanical energy
Two objects are rolling down a hill. The red object has a mass of 79, the blue object has a mass of 89. They have the same velocity. Which object has the lesser amount of Kinetic Energy?
The Red Object since its mass is smaller.
An elastic band has Potential energy. True or False. EXPLAIN.
TRUE, the band's elastic capabilities give it Potential energy, due to its ability to be stretched out.
Name 3 different elements from the Periodic Table.
TOO Many to list.
Human Activity can change the climate. True or False. Explain.
Climate change is one of the biggest challenges that we face in the future as human beings. Certain people will be affected more than others due to rising sea levels.
Energy cannot be _______ or _______.
Energy cannot be destroyed or created.
Juan is running on the beach with his dad. Juan has a mass of 40 kg and is running at a velocity of 1 m/s. How much kinetic energy does he have?
20 J
Consider a little girl on a sled. She weighs 150 Newtons, and the top of the hill is 5 meters higher than the bottom of the hill. As she sits at the top of the hill, the child’s gravitational potential energy is:
150N x 5 M= 750
Solar, wind, hydroelectric, nuclear, fossil fuels, and coal are all types of what kind resources?
non-_______ and ________
non renewable and renewable.
When we rub our hands together, they get warm. This is due to ______.
FRICTION.