7th GRADE SCIENCE : Article 28 : Mechanical and Thermal energies, and temperature.
* Activity 2.26 : Catapult involves kinetic, potential and mechanical energies. ( 12/4/17 Monday )
2.26.a In order to review what you learned last friday about the mechanical energy
involved when using a catapult, check this PAPER and answer the questions
about this mechanical device.
( 15 points ).
2.26.b Word search about mechanical energy and catapult.
( 5 points ).
2.26.c Fill out the gaps on the text using the words given.
( 10 points ).
2.26.d You can learn a lot more about this kind of devices at this LINK.
* Activity 2.27 : Showing Catapult. Kinetic, potential and mechanical energies. ( 12/5/17 Tuesday )
2.27.a Make the poster indicated by your teacher as in the example.
Follow his instructions and use the pictures given.
* Activity 2.28 : Do the following activities about thermal energy. ( 12/6/17 Wednesday )
First you have a reviewing activity about catapults.
( 10 points ).
( 10 points ).
( 10 points ).
( Drawing )
( 10 points ).
* Activity 2.29 : Radiation and convection. Thermal energy in a pot. ( 12/7/17 Thursday )
2.29.a Draw these PICS about radiation at your paper and write the description on it.
PIC 1 about solar radiation.
PIC 2 about electromagnetic spectrum and energy.
( 10 points ).
2.29.b Use the given material to show how water molecules move when
heating a pot on the heater.
( 20 points ).
2.29. Fill in the suns shape crossword using the right words for each gap.
( 10 points ).
* Activity 2.30 : Test about mechanical and thermal energies. ( 12/8/17 Friday )
2.30.a Friday TEST about mechanical and thermal energies.
( 20 points ).
2.30.b Heat and thermal energy exercise ( words-gaps to choose ).
( 10 points ).
2.30.c Make these drawing in the given papers about thermal energy convection and
conduction.
( 10 points ).
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