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Acceleration Is the rate of change in velocity of an object divided by the time taken for the change. It is measured in ms-2
Centre of gravity Is the point in a body where all the weight of the body appears to be concentrated
conduction The transfer of energy through a solid without any movement of the particles
Conservation of energy Energy cannot be created or destroyed only converted from one form into another
convection The transfer of heat through a liquid or gas caused by the movement of its particles
Current (I) The movement of an electric charge between two points. It is measured in Amperes
density Density is the mass per unit volume of an object. It is measured in g/cm 3 or kg/m 3. Density = Mass Volume
dispersion The breaking up of white light into its constituent colours
energy Is the ability to do work JOULES
flotation Is when a less dense object floats in a liquid more dense that the object.
force A force is a push or a pull which causes a change in the velocity of an object. It is measured in Newtons (weight is a FORCE…..of gravity)
friction Friction is the force between two objects which tries to stop them moving
fulcrum The fixed point around which a lever pivots or turns
Hookes Law The extension in a spring is proportional to the weight applied to it
Latent heat Is the amount of heat energy that causes a change in state without causing a change in temperature
Law of the lever When a lever is in equilibrium the sum of the clockwise moments are equal to the sum of the anti clockwise moments
Magnetic field The space around a magnet where a magnetic force can be felt
mass The amount of matter in an object. It is measured in Kg
Non renewable energy This is the energy supplied by fossil fuels. They cannot be replenished in a short space of time.
Ohms law The current is proportional to the voltage in a conductor at constant temp. V = IR or R = V I
power The amount of work done divided by the time. It is measured in Watts Power =Work Time
pressure The force that an object exerts over unit area. It is measured in Pascals Pressure =Force Area
radiation Heat transfer by waves even through a vacuum eg heat radiation from the sun
reflection The bouncing of light from a reflective surface
refraction The bending of light as it travels from one medium to another
Renewable energy Energy that is in continuous supply and comes from natural resources
speed Is the distance travelled in unit time. It is measured in ms -1 Speed=Distance Time
temperature The measure of how hot or cold an object is. It is measured in degrees Celsius
Velocity Is speed in a given direction. It is measured in ms-1
Volume The amount of space something takes up Units cm 3 for solids ml or litres for liquids
Weight Is the force on an object caused by gravity. It is measured in Newtons Weight= Mass (kg) X 10
work Work is done when a force moves an object a distance. It is measured in Joules Work= Force X Distance Joules
8 th Grade Physical Science. Force and Motion Speed is how fast an object is moving. Speed = You can also use this formula to find the distance.
Temperature and Heat CHAPTER the BIG idea CHAPTER OUTLINE Heat is a flow of energy due to temperature differences. Temperature depends on particle movement.
Final Exam Review Physical Science 1) What 2 factors are involved in calculating speed? a)Distance and speed b)Distance and time c)Velocity and time.
Third Grade Part Two Review. Matter Particles are close together with little room to move. Particles have room to slide past each other. Particles have.
Physics Review Day 2. Energy Energy is conserved in a system, it can not be created or destroyed Energy is simply defined as Work There are two types:
What is energy?. Chain of energy Newton’s Laws 1.An object in motion will stay in motion (or rest at rest) unless acted on by an outside force. (Inertia)
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Physics Vocabulary 5 th Grade Term 3. Energy energy- the ability to do work or cause change kinetic- the energy of motion potential- energy of position.
Conservation of Energy PHYSICAL SCIENCE. The Law of Conservation of Energy Energy cannot be created or destroyed; it may be transformed from one form.
Matter Anything that has mass and takes up space..
Energy The ability to do work or cause change. Kinetic Energy (KE) Energy of motion Affected by mass and velocity.
Ch Energy I. Energy and Work (p ) Energy and Work Energy Conservation of Energy.
P. Sci. Unit 4 Chapter 15 Energy. Energy and Work Whenever work is done, energy is transformed or transferred to another system. Energy is the ability.
Mechanical& Thermal Energy Energy: The ability to do work or cause change.
Energy Notes. ENERGY - the ability to do work or cause change ** You can think of work as the transfer of energy ** The two general kinds of energy: Kinetic.
Energy “The energy of the mind is the essence of life” Aristotle. “If you want to find the secrets of the universe, think in terms of energy, frequency.
Group 1 Group 2Group 3Group 4Group 5.
Chapter 13 Energy. Chapter What is Energy Energy - The ability to do work or cause change (such as moving an object some distance) Work is.
Diagram 1. a plan, sketch, drawing, or outline made to show how something works or to show the way parts are put together 2.
GED Physical Science. Heat Heat is the flow of energy from a cold object to a warmer one. Heat can be transferred by convection, conduction, or radiation.
Mock IGCSE Coordinated science Physics section. P1: THE STRENGTH OF SOLIDS Hookes law – including calculations Moments – calculations Why things balance.
Science The study of the natural world and its processes.
Energy Processes in Earth Science Earth Science Mr. Clark Bethpage High School.
Newton’s Laws of Motion. Motion and Speed Vocabulary Words Motion Position Reference point Distance Displacement Speed Average speed
Thermodynamics. Thermodynamics is the branch of Physics that deals with the conversion of heat into other forms of energy, or other forms of energy into.
The Nature of Energy An unbalanced force must be applied to an object to change its motion. Work is the force over a distance. Energy is the ability to.
17/5/16 Learning Objective: To develop an understanding of the relationship between work done, force and distance Learning Outcomes: Work out the relationship.
Topic 5 Energy. Energy is the ability to do work or cause change Kinetic energy: energy of motion faster objects have more kinetic energy Temperature.
S8P2 Students will be familiar with the forms and transformations of energy.
Energy the ability to cause change Mechanical Energy Energy of motion AND position (sum of the potential and kinetic energy of an object)
Energy. Energy is the ability to do work – Work is a transfer of energy Energy is measured in joules (J) – 1 joule = work done to move an object 1 meter.
@earthscience92. What is Energy? Energy – Is the ability to cause change – Many forms of energy – Two general forms of energy are Kinetic energy Potential.
Energy Energy: Energy is the capacity of a body to do work. The SI unit of energy is Joule(J) Chemical Energy Some forms of energy Sound Energy Light Energy.
Work Work: Work is said to be done when the point of application of a force moves and it is measured using the product of force and the distance moved.
Energy IPC Physical Science, Mr. Hayhurst, Lancaster High School.
Energy Ability to do work Many different forms Conservation of energy (Law) Transformed: example: – Radiant to Thermal – Kinetic to Thermal (friction)
Unit 4: Alternative Energy Topic 1:Energy Power & Energy 3201.
P2a Forces and Their Effects Distance vs Time Graphs Velocity vs Time Graphs *Area under vel time graphs gives the distance travelled *The slope gives.
Answers. Matter= Anything that has mass and takes up space. Mass = what something is made of. Measured in kg, g and does not change when you go to.
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Motion, Force, and Energy Motion consists of speed and direction When force is applied to an object, it changes its motion. Energy is an ability to change.
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