Unit one: chemical reactions. Lesson one: chemical reactions.

Unit one: chemical reactions. Lesson one: chemical reactions.

the goal:To study the relationship between the pitch of a sound and its source frequency.Materials and tools:Large size book - rubber band - two pensSteps:1- Tie a rubber band around the book and place the two pens under the tape near the ends of the book2- Press the index finger of the left hand on......

The process of oxidation and reduction according to the traditional concept

Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.

Unit Two: Sound and Light. Lesson 2: The wave nature of light.

Unit Two: Sound and Light. Lesson 1: Characteristics of sound waves.

Unit Two: Sound and Light. Lesson 1: Characteristics of sound waves.

Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.

Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.

Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.

Unit One: Chemical Reactions. Lesson two: the speed of chemical reactions.

purpose of experimentHow the shadow is formedtoolsDark body (ball) - Light source (torch )stepsWelcome. Now you are going to do an experiment that shows, How is the shadow formed?, Look at the Theoretical framework On the lab board, then bring the tools to the lab bench,Place the dark body (bal......

Purpose of experimentSeeing objects through different materialstoolsPicture in the frame - frosted glass - clear glass – carton (cardboard paper)stepsWelcome. Now you are going to do an experiment that materials can be classified according to their ability to transmit light into (transparent - trans......

The concept of inertia

purpose of experimentFormation of the images through narrow holestoolscardboard box - semi -transparent paper (kalk paper) - scissors - candle - lightersteps Get the cardboard box and put it in the middle of the lab table  Make one circular hole on the side of the box using......

purpose of experimentMixing the primary colors light to produce the secondary lighttools 3 tripods - red flashlight - green flashlight - blue flashlight - 3 switchstepsOpen the red flashlight with a green flashlight and note the color formedOpen the red flashlight with a blue flashlight and note the......

Unit Two: Sound and Light. Lesson 2: The wave nature of light.Purpose of experimentLight travels in straight linestoolswooden or carton screen, each one has a centered hole, candle, lighterstepsWelcome. Now you are going to do an experiment that shows that light travels in straight lines. Look......

purpose of experiment seeing through transparent objectstoolsRed apple - red glass sheet- green glass sheet- blue glass sheetstepsWelcome. Now you are going to do an experiment that show .. Seeing through transparent objects, Look at the Theoretical framework On the lab board, then bring the to......

purpose of experimentMixing the seven spectrum colors to produce the white lightExperiment tools The seven-color disc is fixed on an electrical device. - SwitchstepsPress the power button of the device to mix the seven colors,then observe what happenPress the stop button of the devicePress th......

Purpose of experimentThe direction of the free magnettoolsmagnetic rod - metal paper clipsstepsWelcome. Now you are going to do an experiment that shows.. Indicates the direction of the free magnet, Look at the Theoretical framework On the lab board, then bring the tools to the lab bench, ......

Purpose of experimentLaw of attraction and repulsion between magnetic polesTools two magnets (determined with the south and north poles) - wooden holder - string - paperstepsWelcome. Now you are going to do an experiment that shows.. Law of attraction and repulsion between magnetic poles. Look......

purpose of experienceHow to measure an object's weight by using a spring scaleToolsspring balance - the object to be weighed (sandbag) - tripodstepsWelcome, you are going to do an experiment showing how to measure an object's weight by using a spring scale. Look at the theoretical framework on the l......

Longitudinal waves