30.3. spread of sound.
Grade:
8
Subject
Physics
Theme
Sound nowadays.
Subtheme
The spread of sound.
Solve tasks to find hidden Geo point coordinates
- Chemistry: Substances structure.
- Chemistry: Chemical reaction equation.
- Chemistry: Acids, bases and salts chemical formulas and names.
- Algebra: Rational numbers.
- Algebra: Fraction multiplication and division.
- Chemistry: Chemical reaction equation.
- Chemistry: Substance oxidation process and reactions.
- Algebra: Albraic fraction.
- Physics: Light spectre and colour formation.
- Algebra: Absolute and relative mistake of approximation.
- Physics: Heat process in life.
- Algebra: Proportions, percent
- Geometry: Trapeze, elements, trapeze types, trapeze properties, isosceles trapeze signs.
- Algebra: Rational expression.
- Algebra: Formula y = k/x
- Algebra: Quadratic equation
- Physics: Light spectre and colour formation.
- Algebra: Incomplete quadratic equations
- Chemistry: Neutralisation reactions and calculations.
- Physics: Light break and lens.
- Algebra: Fraction amplification and abbreviation.
- Algebra: Arithmetic square root
- Algebra: Incomplete quadratic equations
- Algebra: Different size units.
- Physics: Optical phenomena in nature.
- Chemistry: Atoms un ķīmiskie elementi.
- Algebra: Quadratic equation discriminant
- Algebra: Square root
- Geometry: Rectangular, properties and signs.
- Algebra: ax² + c = 0
- Algebra: Absolute and relative mistake of approximation
- Chemistry: Chemical element oxidation degree. Binary compound formula and name.
- Algebra: Square root extraction
- Algebra: Fraction amplification and abbreviation.
- Chemistry: Air composition and usage(reactions).
- Algebra: Square root properties
- Physics: spread of sound.
- Physics: Lighting and safety.
- Geometry: Curve angle value, center angle and indrawn angle.
- Algebra: Rational numbers.
- Geometry: Area of a figure, measurement, main properties, same sized figures.
- Physics: Spread of Heat.