Safar's wheel
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Science

Safar's wheel

an experiment to show how to use Safar's wheel to determine the sound pitch

0
The effect of the medium density on sound intensity
5 Point

Science

The effect of the medium density on sound intensity

The effect of the medium density on sound intensity

0
The relation between the light intensity of a surface and the distance between the surface and the light source
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Science

The relation between the light intensity of a surface and the distance between the surface and the light source

The relation between the light intensity of a surface and the distance between the surface and the l......

0.15
the splitting of white light into seven spectrum colors
Free

Science

the splitting of white light into seven spectrum colors

the splitting of white light into seven spectrum colors

0.25
Ship liberation game
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Science

Ship liberation game

Ship liberation game

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The concept of measuring the speed of a chemical reaction
5 Point

Science

The concept of measuring the speed of a chemical reaction

The concept of measuring the speed of a chemical reaction

0.25
The process of oxidation and reduction according to the traditional concept
Free

Science

The process of oxidation and reduction according to the traditional concept

The process of oxidation and reduction according to the traditional concept

0.25
The effect of the area of the vibrating surface on the intensity of the sound
Free

Science

The effect of the area of the vibrating surface on the intensity of the sound

The effect of the area of the vibrating surface on the intensity of the sound

0.25
The Interaction of the Sodium Chloride Solution with The Silver Nitrate Solution
5 Point

Science

The Interaction of the Sodium Chloride Solution with The Silver Nitrate Solution

The Interaction of the Sodium Chloride Solution with The Silver Nitrate Solution

0

Safar's wheel

Second gra....inSecond Ter...| Science

0(0)

an experiment to show how to use Safar's wheel to determine the sound pitch

The effect of the medium density on sound intensity

Second gra....inSecond Ter...| Science

0(0)

The effect of the medium density on sound intensity

The relation between the light intensity of a surface and the distance between the surface and the light source

Second gra....inSecond Ter...| Science

0.15(1)

The relation between the light intensity of a surface and the distance between the surface and the light source

the splitting of white light into seven spectrum colors

Second gra....inSecond Ter...| Science

0.25(1)

the splitting of white light into seven spectrum colors

Ship liberation game

First grad....inSecond Ter...| Science

0(0)

Ship liberation game

The concept of measuring the speed of a chemical reaction

Third grad....inSecond Ter...| Science

0.25(1)

The concept of measuring the speed of a chemical reaction

The process of oxidation and reduction according to the traditional concept

Third grad....inSecond Ter...| Science

0.25(1)

The process of oxidation and reduction according to the traditional concept

The effect of the area of the vibrating surface on the intensity of the sound

Second gra....inSecond Ter...| Science

0.25(1)

The effect of the area of the vibrating surface on the intensity of the sound

The Interaction of the Sodium Chloride Solution with The Silver Nitrate Solution

Third grad....inSecond Ter...| Science

0(0)

The Interaction of the Sodium Chloride Solution with The Silver Nitrate Solution