What is energy?

What is energy?

Crack the cryptic clue for today's title. Rearrange the letters and see if you can work out what todays lesson is on. RGN RGN NRG = ENERGY Physics Energy Transfers

L1 What is energy? 02/19/2020 LO: Energy Energy Review Some

Conclude how the height affects the amount of gravitational potential energy in a ball? Most AllIdentify types of energy and energy stores Keywords: Energy, Chemical, potential, elastic, transfer, stored Different Types of Energy.

What type of energy do you think each picture is showing? Write an answer for each in your book. Chemical Therma Light lKinetic Electrica Sound

Therma l Chemic al Electrica l Self Mark! Sound

Light Kinetic What do you think the word energy means? Pair: Discuss your answers and write a sentence.

Peer Mark! What does the word energy mean? Energy is the ability to do work. We need energy to do everything. Without energy, nothing can move or change. Energy is everywhere and takes all sorts of forms. Types of Energy For each type of energy, use the pictures to help you write your own definition for the energy type.

Your definition should be in a full sentence and use at least one example from the pictures. Kinetic Energy Sound Energy Electrical Energy Thermal Energy

Light Energy Peer Mark Can you help your partner improve their definitions? Tick any scientific keywords they have used. Add any useful additions in purple pen. Check SPaG. This is BEST work because You can transform your work by Energy storage Energy can be stored in

3 main ways: Gravitatio nal potential Chemical Elastic potential potential Any form of stored energy is

10.4 Potential energy called potential energy What does potential mean? Potential means the ability to do something that hasnt been done yet.

10.4 Potential energy Elastic potential energy (EPE) This is stored in elastic materials such as rubber, metal springs and elastic. Chemical potential energy Chemical Energy (CPE)

Energy is stored in the bonds between atoms. When the bonds are broken, often by burning (oil, gas, wood) or by a chemical reaction (digesting food, battery) the energy is released. Gravitational potential energy

10.4 Potential energy (GPE) Gravitational potential energy is energy an object has because it is high up. This is due to gravity pulling it down It only releases this energy when it falls down.

10.4 Potential energy to the So what happens energy in the rock when it falls? GPE is transferred as kinetic energy (KE) in the movement of the falling rock.

. The energy is then transferred to the ground when the rock hits the floor Gravitational potential energy (GPE) Label your diagram - where is gravitational potential energy and where is kinetic energy?

Aim: How does height affect the amount of gravitational potential energy in a ball? How could you test this question? Materials and equipme nt Step by step

method Fair testing, what you will measure and record How does height affect the amount of gravitational potential energy in a

ball? Method Hold the ball 10 cm above the ground. Use a meter stick to measure this.

Drop the ball in a straight line. Measure how high the ball bounces back up. Record your results. Repeat two more times at 10 cm Repeat for 20 cm, 30 cm, 40 cm, 50 cm, 60 cm etc. How does height affect the amount of gravitational potential energy in a ball? Height ball dropped

from (cm) 20 30 40 50 60 70 80 90 100 Height ball

bounces back (cm) Trial 1 Trial 2 Trial 3 Average Height ball bounces back (cm)

How does height affect the amount of gravitational potential energy in a ball? Height ball dropped from cm 20 30 40 Height ball

bounces back Cm Height ball bounces back Height ball bounces back

Calculate averages Average Height ball bounces back cm Draw a graph of your results use your averages column. 50 60

70 80 90 100 Put the height dropped along the x axis and the averages height bounced along the y axis Quick check How does height affect the amount of gravitational potential energy in a

ball? What is gravitational potential energy? How did we investigate this? What did we find out? How does height affect the amount of gravitational potential energy in a ball? Write a conclusion to explain what you have found out. what do you results show and why is this? Use the sentence starters to help

structure your conclusion Plenary Write one question in your book to answer before this box disappears! What energy types can you see in use in this picture? What energy transfers are happening? What energy stores are present?

Printing Gravitational potential energy (GPE) Label your diagram - where is gravitational potential energy and where is kinetic energy? Gravitational potential energy (GPE) Label your diagram - where is gravitational potential energy and where is kinetic energy?

Height ball dropped from (cm) Height ball bounces back (cm) Trial 1 20 30 40 50

60 70 80 90 100 Average Height ball bounces back (cm) Trial 2 Trial 3

Height ball dropped from (cm) Height ball bounces back (cm) Trial 1 20 30 40

50 60 70 80 90 100 Average Height ball bounces back (cm) Trial 2

Trial 3 Height ball dropped from (___) Height ball bounces back (___) Trial 1 Trial 2

Trial 3 Average height ball bounces back (___) Height ball dropped from (___) Height ball

bounces back (___) Trial 1 Trial 2 Trial 3 Average height ball bounces back (___)

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