Download Work, Force, and Energy

Work Force and Energy Name:_____________________________ Date: ___________ Period: _____
Work, Force, and Energy
 __________________is only accomplished when a __________________ moves an object some
distance

_______________________ = a push or a pull

Work = _____________________ x ______________________

____________________________= the ability to do work

The Newton – meter = the ______________________
Energy from the Sun
 _______________________ are the only organisms that can make their own food.
o These are called ______________________.

Plants use sunlight, water, and minerals to make food in a process called _________________.

The transfer of energy from the Sun, to the plants, to the animals is called a
_____________________.
o Animals are _________________________.

The amount of energy food contains is measured in _______________________.

A _______________________ is used to measure the energy in food.

Stored energy from the Sun is found in the form of ________________________.
Potential and Kinetic Energy
 _______________________ is stored energy, or energy of position.

A book lifted to the edge of a table has ___________________________.

_______________________ is the energy of motion.

A battery has ________________________ potential energy.
Seven Forms of Energy
 The seven forms of energy are:

_______________________energy is the energy of motion.

_______________________energy is related to the movement of the particles that make up matter.

_______________________energy is the movement of electrons.

_______________________energy includes light, x-rays, and radio waves.
Work Force and Energy Name:_____________________________ Date: ___________ Period: _____

During _______________________ carbon dioxide, minerals, and water are turned into
____________________ which is sugar and oxygen.

_______________________energy has to do with the nucleus.
Law of Conservation of Energy
 The law of conservation of energy states that energy cannot be ________________ or
______________, just ________________ from one form to another.

When we lift a ball to a certain point, we have given it ____________________ energy.

When we release the ball, the potential energy is converted to _____________________ energy.
Law of Conservation of Energy

_________________________________ is defined as the resistance to relative motion between
two bodies in contanct.

A Newton moved for one meter = one __________________________.

The energy required to raise the temperature of one gram of water by one degree Celsius is
_________________________ J.

This is equal to _______________________.

______________ calories = 1 ______________ = 1 _______________
Questions
1. The energy in food is measured in _____.
A) watts
B) newtons
C) calories
D) coulombs
2. Another word for a joule is a Newton-meter.
A) true
B) false
3. Energy from the Sun is stored in _____.
A) nitrogen
B) uranium
C) fossil fuels
D) nuclear fuel
4. Which has the greatest amount of potential
energy?
A) a cat standing on a dining room table
B) a cat laying under a dining room table
C) a cat chasing a mouse in the kitchen
D) a cat up a tree
5. Mechanical energy is the energy of _____.
A) motion
B) sunlight
C) a battery
D) the nucleus
8. Heat energy is associated with _____.
A) the movement of atoms
B) dissipation of heat and light
C) absorption of heat and light
D) conversion of heat into light
9. Potential energy is defined as _____.
A) energy which is stored
B) energy released by foods
C) energy of moving objects
D) energy released by chemicals
10. What is the standard scientific unit (SI
unit) for measuring energy or energy change?
A) BTU
B) joule
C) calorie
D) kilocalorie