2857.2. 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
- Algebra: Operation with algebraic fractions
- Physics: Labour and energy.
- Geometry: Triangle, parallelogram, rhombus area formulas, through narrow angle sine value.
- Physics: Labour and energy.
- Algebra: Combinatorics
- Physics: Materials and structures
- Algebra: Arithmetic progression
- Chemistry: Polymer.
- Algebra: Equivalence
- Geometry: Symmetry center, symmetry axis, central symmetry, axial symmetry.
- Algebra: Fraction inequalities
- Algebra: Arithmetic progression
- Physics: Energy and environment problems.
- Algebra: Arithmetic progression
- Physics: Electrosafety.
- Physics: Electrification of a body and interaction of bodies electrification.
- Algebra: Variation, combination
- Geometry: peak, edge, face, prism (straight and regular) pyramid (also regular), cylinder, cone, sphere.
- Chemistry: Organic substance transformation.
- Algebra: Concept of numerical chain
- Geometry: Fixture surface area, surface layout, figure volume.
- Algebra: Operation with algebraic fractions
- Geometry: Proportion of similar triangle perimeter and similar triangle areas.
- Geometry:
- Chemistry: Substance transformation. Chemical reaction types.
- Physics: Materials and structures
- Physics: Types of information transmission.
- Algebra: Quotient
- Algebra: Geometric progression
- Geometry: Prism, pyramid, cylinder, cone height, basis. Cylinder and cone generatrix.
- Physics: Universe research methodes.
- Geometry:
- Geometry: Triangle, parallelogram, diamond area formulas, through narrow angle sine value.
- Algebra: Equation diagram
- Physics: Simple mechanisms.
- Geometry: Circle area, sector its area, segment.
- Physics: Electrical connection usage.
- Algebra: Sum formula
- Geometry: Line segment ratio.
- Algebra: Combinatorics
- Chemistry: Substance classification.
- Chemistry: Natural substances and products.