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

( 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.

POSTER TO DO

Pics to cut for the poster

* Activity 2.28 :  Do the following activities about thermal energy.                    ( 12/6/17   Wednesday )
First you have a reviewing activity about catapults.

2.28.a        Reviewing activity about catapults.
( 10 points ).

2.28.b        Thermal energy definitions and transferring thermal energy
( 10 points ).

2.28.c        Friction force causing thermal energy
( 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 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.

Exemple to make.

( 20 points ).

2.29.         Fill in the suns 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.

Pics to draw.

( 10 points ).