science test review (choose this one!!!!!!!)

A hydropower reservoir is an example of_________ energy.

Potential energy.

X-rays are an example of.....

Radiant and electromagnetic energy

what is potential energy?

Stored energy that an object has due to its position.

Fill in the blanks.the energy stored in the center of the atoms is called____ energy.

The energy stored in the center of the atoms is called NUCLEAR energy.

Fill in the blank.the movement of objects and substances from place to place is ______.

The movement of objects and substances from place to place is MOTION.

Fill in the blank.the vibration and movement of the atoms and molecules within substances is called heat or _____energy.

The vibration and movement of the atoms and molecules within substances is called heat or THERMAL energy.

True or false. Heat can flow back and fourth between warmer and cooler materials.

True!!!!

True or false. The movement of atoms,molecules,waves,and electrons is mechanical energy.

True!!!!

True or false The thermal energy of an object increases as it's temperature.

True!!!!!

True or false potential energy is energy held by an object as a result of its position or height above the ground ,rather than its motion.

True!!!!!

True or false. The energy in petroleum and coal is stored as chemical energy

True!!!!!

True or false.the scientific rule that states that energy cannot be created or destroyed is called the law of conservation of energy.

True!!!!!

True or false. Energy stored in the bonds of atoms and molecules is nuclear energy.

True!!!!!!

True or false. The particles in all materials (solids, liquids,and gases) are in constant motion.

True!!!!!!

true or false.the transformation from potential to kinetic energy occurs when the object is in motion.

True!!!!!!

what would have the greatest kinetic energy? a. a car driving down a hill b. a ball rolling down a hill c. a person running down a hill

a car driving down a hill.

Which of these has the most potential energy? A. a car at the top of a hill B. a car speeding down a hill C. a person at the top of a hill

a. a car at the top of a hill

what has the least kinetic energy? a. a car b. an object that is not moving c. a satellite in orbit

an object that is not moving

who has more potential energy, if everyone is standing at the same height? a. Bob standing still, because he is a rat b. Moby standing still, because he has the greatest mass c. Tim standing still, is a person

b. Moby standing still, because he has the greatest mass

which of these is an example of kinetic energy at work? a. a ball lodged in a tree b. a frisbee flying through the air c. a car in the garage

b. a frisbee flying through the air

fill in the blank.compressed springs and stretched rubber bands are stored_______ energy.

compressed springs and stretched rubber bands are stored POTENTIAL energy.

As an object falls, potential energy increases and kinetic energy decreases.

false ... I kinetic energy increases

True or False. Potential energy cannot change into kinetic energy.

false! Potential energy can transform into kinetic energy!

true or false. kinetic energy is stored energy found in objects or substances.

false! potential energy is stored energy found in objects or substances.

compare and contrast kinetic and potential energy.

kinetic and potential energy are both forms of mechanical energy.they are both related to motion.kinetic energy is the energy of motion and potential energy is the energy of position.

can you create or destroy energy?yes, no, or only if you are really strong.

no! you cannot create or destroy energy.

describe velocity

speed of an object with direction.

when Moby jumps off the diving platform, his potential energy: a. changes to solar energy b. changes to heat energy c. changes to kinetic energy

the answer is ... c. changes to kinetic energy

when an object has potential energy, i has the potential to: a. do work or move b. do nothing c. do virtually anything

the answer is... a. do work or move

which of these objects has potential energy, but not kinetic energy? a. a rock rolling down a steep hill b. a glass on a table c. a ball sailing through the air

the answer is... b. a glass on the table

what forms of energy are related to motion? a. Potential and Kinetic b. Solar and Sonar c. Carbonic and Nucleic

the correct answer is... a. potential and kinetic. :)

which glass has the most potential energy? a. a glass on the floor b. a glass on top of the refrigerator c. a glass on a coffee table

the correct answer is... b. a glass on the top of the refrigerator

when does Moby have the most potential energy? a. when he is on a 6- meter diving platform b. when he is on a 12- meter diving platform c. when he hits the water and cries like a baby

the correct answer is... b. when he is on a 12- meter diving platform

what is kinetic energy?

the energy that an object has due to its motion.

what does kinetic energy depend upon?

the mass and speed of an object

what is potential energy?

the stored energy of an object due to its position or condition

true or false.stored energy and the energy and the energy of position are potential energy

true!!!!!!

describe work.

when a force causes an object to move in the direction of the force.

when is kinetic energy transferred from object to object

when those objects collide.

fill the blanks. as an object falls _______ energy increases and ______ energy decreases.

As an object falls KINETIC energy increases and POTENTIAL energy decreases.

a moving object has: a. Perpetual energy b. Potential energy c. Kinetic energy

C. Kinetic energy

Fill in the blank.the movement of electrons is _____energy.

Electrical energy.

The amount of useful energy you get from a system is its___________.

Energy efficiency.

Define energy.

Energy is the ability to do work or the ability to change an object.

When energy is transferred from potential to kinetic energy, energy is lost.

False ...energy is transformed.

Mechanical energy occurs in two forms, potential and thermal.

False ...potential and kinetic

radiation is the transfer of heat between the contact of 2 solids.

False Conduction is....

True or false.energy occurs in two main forms,potential and thermal

False! Energy occurs in two main forms, potential and kinetic (Mechanical Energy)

True or false.The energy of position-such as a rock on a hill-is kinetic energy

False!!!! It is actually potential energy.

true or false.as an object is raised,kinetic energy decreases and potential energy increases.

False!!!!!!

The faster the particles of an object move, the more ______ energy they have.

Kinetic energy.

Wind is an example of the energy of________.

Motion.

Fission and fusion are examples of_______ energy.

Nuclear energy

describe force.

a push or a pull.

how does mass relate to potential energy? a. the more massive the object,the more potential energy it has b. the more massive the object,the less potential energy it has c. mass and potential energy are not related

the correct answer is... a. the more massive the object,the more potential energy it has

kinetic and potential energy both relate to: a. light b. heat c. motion

the correct answer is... c. motion