2850.2. Energy and environment problems.
Grade:
9
Subject
Physics
Theme
Efective and friendly usage of energy.
Subtheme
Energy and environment problems.
Solve tasks to find hidden Geo point coordinates
- Physics: Electromagnetic wave formation and spread.
- Chemistry: Natural substances and products.
- Geometry: Triangle similarity signs.
- Algebra: Equation diagram
- Geometry: Regular polygon, its perimeter and area. Regular polygon indrawn circumference, circumference drawn around regular polygon.
- Chemistry: Substance transformation. Chemical reaction types.
- Physics: The transformation of energy.
- Geometry: Triangle, parallelogram, diamond area formulas, through narrow angle sine value.
- Physics: Energy and environment problems.
- Algebra: Arithmetic progression
- Geometry: Circle area, sector its area, segment.
- Geometry: Circumference length, arc length.
- Chemistry: Hydrocarbon combustion. Calculations with chemical reaction equations.
- Geometry: Circumference length, arc length.
- Geometry: Circle lines length, arc length.
- Algebra: Interval methodes in inequalities
- Geometry: Line segment ratio.
- Geometry: Proportional line segments, similar triangles, coefficient of similarity, similar triangle properties.
- Algebra: Quotient
- Algebra: Difference
- Geometry: Fixture surface area, surface layout, figure volume.
- Geometry: Sine, cosine, tangent of right angle triangle narrow angle.
- Geometry: Triangle, parallelogram, rhombus area formulas, using value of narrow angle sine.
- Algebra: Interval methodes in inequalities
- Algebra: Quadratic function y = ax² + bx + c concept
- Algebra: Numerical chain concept
- Geometry: Line segment ratio.
- Physics: The transformation of energy.
- Physics: Electric and magnetic phenomena connection.
- Geometry: peak, edge, face, prism (straight and regular) pyramid (also regular), cylinder, cone, sphere.
- Algebra: Arithmetic progression
- Geometry: Proportion of similar triangle perimeter and similar triangle areas.
- Geometry: Right-angled triangle narrow angle, sine, cosine, tangent.
- Geometry: Fixture surface area, surface layout, figure volume.
- Physics: Processes in stars.
- Geometry: Right-angled triangle narrow angle, sine, cosine, tangent.
- Chemistry: Substance classification.
- Algebra: Arithmetic progression
- Physics: Electric and magnetic phenomena connection.
- Geometry: Symmetry center, symmetry axis, central symmetry, axial symmetry.
- Chemistry: Hydrocarbon combustion. Calculations with chemical reaction equations.
- Geometry: Symmetry center, symmetry axis, central symmetry, axial symmetry.