32.1. Spread of sound.
Grade:
8
Subject
Physics
Theme
Sound nowadays.
Subtheme
The spread of sound.
Solve tasks to find hidden Geo point coordinates
- Algebra: Solution of linear equalities and inequalities.
- Algebra: Function y=√x
- Algebra: Absolute and relative mistake of approximation
- Algebra: Concept of reverse proportionality.
- Algebra: Linear equalities and inequalities solution.
- Geometry: Squar, properties and signs.
- Algebra: Hyperbola.
- Chemistry: Chemical periodic table and structure of the atom.
- Physics: Gravitation, friction and deformation.
- Algebra: Reverse proportionality concept.
- Chemistry: Amount of substance.
- Physics: Research fundamentals in physics
- Geometry: Parallelogram, diamond, triangle, right-angled triangle, trapeze area.
- Algebra: Rational expression.
- Algebra: Albraic fraction.
- Algebra: Reverse proportionality concept.
- Chemistry: Atoms un ķīmiskie elementi.
- Physics: Research of movement.
- Algebra: Irrational numbers.
- Algebra: Different size units.
- Chemistry: Substance consistent invariables. Chemical formulas.
- Algebra: Rational numbers.
- Algebra: Fraction multiplication and division.
- Chemistry: Laboratory tableware and accessories.
- Algebra: Albraic fraction.
- Physics: Archimedes law.
- Algebra: Square root extraction
- Chemistry: Neutralisation reactions and calculations.
- Physics: Spread of sound.
- Chemistry: Chemical periodic table and structure of the atom.
- Algebra: Concept of reverse proportionality
- Geometry: Triangle indrawn in circumference, location of encircled circumference centre.
- Chemistry: Substances with constant composition. Chemical formula.
- Algebra: Rational numbers.
- Geometry: Rectangle, its properties and signs.
- Physics: Ultrasound, Infrasound and sound usage.
- Geometry: Rectangular (S = ab, a, b - edges) and area of the square (S=a^2 , a - edge) formula.
- Algebra: Fraction addition and subtraction.
- Algebra: Main feature of fraction
- Chemistry: Neutralisation reactions and calculations.
- Geometry: Parallelogram, diamond, triangle, right-angled triangle, trapeze area.
- Algebra: Albraic fraction.