41.2. Ultrasound, Infrasound and sound usage.
Grade:
8
Subject
Physics
Theme
Sound nowadays.
Subtheme
Ultrasound, Infrasound and sound usage.
Solve tasks to find hidden Geo point coordinates
- Chemistry: Gas volume calculations
- Geometry: The Pythagorean Theorem. The practical application of Pythagorean Theorem in everyday life.
- Physics: Spread of sound.
- Physics: Measurement.
- Physics: Ultrasound, Infrasound and sound usage.
- Algebra: Fraction addition and subtraction.
- Geometry: Curve angle value, center angle and indrawn angle.
- Algebra: Parabola.
- Algebra: Equation with unknown denominator.
- Geometry: Rectangular (S = ab, a, b - edges) and area of the square (S=a^2 , a - edge) formula.
- Geometry: Rectangular (S = ab, a, b - edges) and area of the square (S=a^2 , a - edge) formula.
- Geometry: Triangle median properties.
- Algebra: Square trinomial distribution into multipliers
- Algebra: Numerical approximation.
- Geometry: Diameter, which is perpendicular to chord, properties.
- Chemistry: Periodic table of chemical elements and atomic structure.
- Algebra: Numerical approximation.
- Algebra: Absolute and relative mistake of approximation
- Physics: Archimedes law.
- Geometry: Area of parallelogram, rhomb, triangle, right angled triangle and trapeze.
- Geometry: Rectangle (S = ab, a, b - edges) and area of the square (S=a^2 , a - edge) formulas
- Physics: Light reflection and mirrors.
- Geometry: Squar, properties and signs.
- Geometry: Right-angled triangle outlined circle lines center location.
- Algebra: Fraction amplification and abbreviation.
- Algebra: Square trinomial roots
- Algebra: Median
- Physics: Gravitation, friction and deformation.
- Algebra: Formula y = k/x
- Geometry: Area of parallelogram, rhombus, triangle, right-angled triangle, trapeze.
- Chemistry: Atoms un ķīmiskie elementi.
- Algebra: Fractions main property
- Algebra: Relative frequency
- Algebra: Square root extraction
- Physics: mass
- Chemistry: Substances physical properties and transformations.
- Algebra: Moda
- Algebra: Albraic fraction.
- Geometry: Distance between parallel straight lines.
- Algebra: Actual numbers.
- Algebra: Rational fraction expression.
- Chemistry: Air composition and usage(reactions).