42.2. 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
- Physics: Physics language.
- Physics: Heat and temperature.
- Physics: Sounds characteristics.
- Algebra: Mode
- Algebra: Hyperbola.
- Geometry: Curve angle value, center angle and indrawn angle.
- Geometry: Triangles and trapezes midline.
- Algebra: Quadratic equation
- Algebra: Fraction addition and subtraction.
- Chemistry: Air composition and usage(reactions).
- Algebra: Linear equalities and inequalities solution.
- Physics: Light reflection and mirrors.
- Algebra: Incomplete quadratic equation
- Algebra: Arithmetic square root
- Physics: Sounds reception.
- Geometry: Distance between parallel straight lines.
- Physics: Light break and lens.
- Chemistry: Atom and chemical elements.
- Geometry: Circle, their elements. Secant.
- Algebra: Parabola.
- Physics: Ultrasound, Infrasound and sound usage.
- Physics: Heat process in life.
- Chemistry: Chemical transformation signs. Chemical transformation causes and process.
- Chemistry: Gas volume calculations.
- Geometry: Diameter, which is perpendicular to chord, properties.
- Algebra: Fraction addition and subtraction.
- Algebra: Square root extraction
- Physics: Heat and temperature.
- Chemistry: Chemical reaction equation.
- Algebra: Relative frequency
- Chemistry: Chemical element oxidation degree. Binary compound formula and name.
- Geometry: Figure heights. Same sized figure areas.
- Physics:
- Algebra: Research of linear function.
- Algebra: Linear equalities and inequalities solution.
- Physics: Measurement.
- Chemistry: Atom and chemical elements.
- Algebra: Incomplete quadratic equation
- Physics: Movement characteristics.
- Geometry: Trapeze, its elements, types of trapeze, trapeze properties, isosceles trapeze signs.
- Geometry: Figure heights. Area of equivalent figures.
- Geometry: Parallelogram, elements. Properties and signs.