This 33-slide PowerPoint presentation introduces students to the concept of freezing point depression and boiling point elevation. It also includes a worksheet in which students can take notes and practice the skills learned during the lesson. • First, students will review what happens when a liquid freezes and when it boils. • Then, a discussion about how adding a nonvolatile solute would affect the freezing and boiling process. • Molality will be introduced followed by practice problems. • The freezing point depression and boiling point elevation formulas will be introduced with examples for students to work out. • Finally, a practical investigation to work out the molar mass of an unknown solute by using freezing point depression will be outlined with an example calculation. I hope you find this useful.

This 33-slide PowerPoint presentation introduces students to the concept of freezing point depression and boiling point elevation. It also includes a worksheet in which students can take notes and practice the skills learned during the lesson. • First, students will review what happens when a liquid freezes and when it boils. • Then, a discussion about how adding a nonvolatile solute would affect the freezing and boiling process. • Molality will be introduced followed by practice problems. • The freezing point depression and boiling point elevation formulas will be introduced with examples for students to work out. • Finally, a practical investigation to work out the molar mass of an unknown solute by using freezing point depression will be outlined with an example calculation. (This lab activity is available in a separate resource). I hope you find this useful.

This resource includes a PowerPoint presentation and differentiated homework tasks for a lesson on Satellites for KS3 Astronomy and Space Science for Year 9. Topics include: What are satellites? What are artificial satellites and natural satellites? How do satellites stay in orbit? Differentiate between a geostationary orbit and a polar orbit. Discuss different uses of polar satellites and geostationary satellites. History and advances in satellites. Parts of a satellite Tracking space junk There is also a 6 question plenary at the end of the lesson.

This resources includes a highly visual 43-slide presentation and a short quiz on Forces and Motion. The topics explored in this lesson are: 1) What is a force? 2) What can forces do? 3) How do we measure forces? What unit do we use? 4) What are contact and non-contact forces? Give examples of each. 5) What is friction? What are two types of friction? 6) What can affect the amount of friction? 7) How is friction involved in the stopping distance of a car? 8) What forces affect speed? 9) What is gravity? What is the gravitational field strength on Earth? 10) What is weight? How is it different from mass? 11) How is weight calculated? I hope you find this resource useful. Thank you.

This resource includes a 50-slide PowerPoint presentation, guided notes and many differentiated worksheets/homework assignments on the topic of PRESSURE. By the end of these lessons, pupils will know that: 1) pressure exists on surfaces, in air and in liquids. 2) pressure is measured in Pascals (Pa) 3) on surfaces, pressure is calculated by dividing force by area. 4) pressure is smaller when a force is applied over a big area because the pressure is spread out over a big area. 5) pressure is bigger when a force is applied over a small area because the pressure is confined to a small area. 6) atmospheric pressure decreases with height, 7) liquid pressure increases with depth. 8) upthrust effects floating and sinking 9) hydraulics is an application of liquid pressure (qualitative and quantitative) I hope you find this resource useful. Thank you.

This resource includes a 56 slide PowerPoint presentation. • Includes sound clips to bring the learning to life • Animations have been thoughtfully used to promote participation from lower achieving students and discussion from higher ability ones. • 26 learning outcomes listed below By the end of these lessons, pupils will: 1. recognise that sound is made by objects that vibrate 2. define that the frequency of vibration of the source is measured in Hertz (Hz) 3. discuss how sound is made in different musical instruments 4. know that a vibrating source causes the layers of air around it to move 5. discover that sound travels by compressing and expanding the surroundings 6. express that sound travels as a longitudinal wave 7. discover that sound travels best through solids and worst through gases because of the arrangement of the particles 8. explore the relative speed of sound in different mediums 9. explain that sound waves cannot travel through a vacuum because there are no molecules 10. know that sound waves detected by the ear cause the ear drum to vibrate 11. explore the structure of the ear 12. describe how sound is transmitted through the ear to the brain 13. know that different people have different ranges of hearing 14. know that the average human range of hearing is 20 to 20,000 Hz 15. define that loudness is measured in decibels (dB's) 16. discuss that 0 dB is the threshold of hearing and 130 dB's is the threshold of pain whilst 140 dB's causes damage 17. discuss that loud sounds can have permanent and temporary effect on the ear 18. discuss some common causes of ear damage 19. define that noise is unwanted sound 20. discover that a loud sound is produced by a large vibration and vice versa 21. discover that a high pitched sound is produced by a very frequent (quick) vibration and vice versa 22. know that an microphone can change sound to electricity and that this can then be displayed on an oscilloscope 23. know that the wave displayed on an oscilloscope is a transverse wave 24. demonstrate how to identify the amplitude, the wavelength and the frequency of a wave 25. recognise the link between the loudness of the sound and the amplitude of the wave 26. recognise the link between the pitch of the sound and the frequency/wavelength of the wave

Homework sets, a practice quiz and sample test questions to support the learning of a unit on Thermochemistry. • Loads of sample multiple choice test questions • Short answer and essay questions • Homework sets • Lab Worksheet • Includes over 90 questions in all! • Great for SAT II Chemistry preparation • All questions are EDITABLE and include ANSWERS.

Several resources to support the learning of KS3 Sound and Hearing. You can find a pack with all of these resources and a very useful 50+ slide PowerPoint presentation on KS3 Sound here: https://www.tes.com/teaching-resource/ks3-sound-and-hearing-huge-resource-pack-waves-frequency-amplitude-ultrasound-the-ear-ks3-y7-y8-6317505

Resources for KS3 Science: Electrcity and Electrical Circuits

* Updated January 2017 * Added a crossword puzzle with answers. This 30-slide presentation revises the following learning objectives: 1) To explain how the Earth spinning explains day and night 2) To know what a leap year is and explain why we need them 3) To explain why the average temperature changes as we go through the year 4) To explain why the length of the day changes as we go through the year 5) To describe difference between stars and planets 6) To describe the phases of the Moon 7) To explain that the apparent movement of the stars is caused by the rotation of the Earth 8) To explain total and partial solar and lunar eclipses 9) To explain the effect the sun and the moon have on tides on earth 10) To describe spring tides and neap tides

This resource includes a 50-slide PowerPoint presentation, scaffolded notes, and a revision many practice worksheets on the topic of PRESSURE and the pressure equation. By the end of these lessons, pupils will know that: 1) pressure exists on surfaces, in air and in liquids. 2) pressure is measured in Pascals (Pa) 3) on surfaces, pressure is calculated by dividing force by area. 4) pressure is smaller when a force is applied over a big area because the pressure is spread out over a big area. 5) pressure is bigger when a force is applied over a small area because the pressure is confined to a small area. 6) atmospheric pressure decreases with height, 7) liquid pressure increases with depth. 8) upthrust effects floating and sinking 9) hydraulics is an application of liquid pressure (qualitative and quantitative) I hope you find this resource useful. Thank you.

This resource pack includes 2 of my most popular resources on TES: Magnetism Parts 1 and 2 A total of 61 interactive and and visually appealing slides are included to help Year 7 or Year 8 pupils learn and understand magnetism. Scaffolded note-taking worksheets for pupils have been customized to be used during the series of lessons. Additional worksheets and assessments are also included. The learning objectives are listed below. By the end of these lessons, learners will: 1) be introduced to the discovery and history of magnets 2) know the elements that have magnetic properties 3) observe how magnets attract or repel each other and attract some materials and not others 4) compare and group together a variety of everyday materials on the basis of whether they are attracted to a magnet, and identify some magnetic materials 5) describe magnets as having 2 poles 6) predict whether 2 magnets will attract or repel each other, depending on which poles are facing 7) know that materials contain groups of spinning electrons called domains 8) know that the domains are aligned in magnetic materials 9) know that the domains of a non-magnetic material are not aligned 10) learn about magnetic fields by plotting with compass, representation by field lines 11) learn about Earth’s magnetism, compass and navigation 12) explore the magnetic fields of permanent and induced magnets, and the Earth’s magnetic field 13) discover that a magnet can be made by stroking a steel bar with the same pole of a permanent magnet from one end to the other end in one direction 14) be able magnetise a needle and use it as a simple compass. 15) discover that when electric current flows through an insulated wire wound around an iron core, the core becomes a magnet 16) be able to build a simple electromagnet 17) explore ways to manipulate a variety of variables to increase the strength of the electromagnet 18) know some uses of electromagnets 19) distinguish between a permanent magnet and an electromagnet 20) learn the components of an electric bell and how an electric bell works Please rate and comment. Cheers.

A fun activity for children learning about physical and chemical changes.

This resource includes a highly visual PowerPoint presentation (over 90 slides!) on the topic of ENERGY, forms of energy, energy transformations and energy diagrams. The presentation uses many visual aids and is thoughtfully animated to promote participation from learners of all abilities. Two worksheets and sample exam questions (71 questions with ANSWERS!)) are also included. Appropriate for year 7 or year 8 pupils. Students will learn: 1. that energy is the capacity or ability to do work (the ability to make matter change) 2. that generally, there are 2 types of energy: potential energy and kinetic energy 3. that there are many forms of potential and kinetic energy including: thermal energy (heat), electromagnetic energy (radiated), sound energy, gravitational potential energy (GPE), elastic potential, nuclear, chemical energy and electrical energy. 4. that gravitational energy depends on an object's mass and height above the earth's surface 5. that kinetic energy depends on an object's mass and how fast it is moving 6. that energy is transformed from one form to another 7. that a fuel is stored energy, which must be burnt to release the energy 8. Fuel + Oxygen = Energy + Carbon Dioxide + Water + Waste Product 9. that most of the Earth's energy ultimately comes from the Sun 10. that energy sources can be described as either renewable or Non-renewable 11. that Renewable means can be used again or replaced within a Iifetime 12. some advantages and disadvantages of energy sources 13. the need for energy saving with non-renewable energy sources and ultimately with all energy sources 14. to construct an energy transfer diagram 15. to construct a Sankey diagram 16. that energy is conserved in an energy transformation I hope you find this resource useful. Cheers.

This resource includes a highly visual 34-slide PowerPoint presentation, scaffolded notes for pupils, and a worksheet. In this resource, pupils will learn... 1) to compare and group together different kinds of rocks on the basis of their appearance and simple physical properties 2) to recognise that soils are made from rocks and organic matter 3) the rock cycle and the formation of igneous, sedimentary and metamorphic rocks 4) to understand how cooling and solidifying of magma results in formation of igneous rocks. 
 5) to understand that sedimentary rocks are made by processes which include the deposition of rock fragments or organic material, or as a result of evaporation. 
 6) to understand how rock fragments are transported by flowing water or wind, and how grain size affects transport and settling of sediment; understand how landscape can be eroded. 
 7) to understand that metamorphic rocks are formed by action of heat and pressure on existing rocks. 
 8) to understand the meaning of the term ‘mineral’. 
 9) to know how forces generated by expansion, contraction and the freezing of water can lead to the physical weathering of rocks. 
 10) to know the different layers of a soil profile I hope you find this resource helpful.