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How to learn High school: Science

Missouri academic standards: Science, High school

0 of 31 concepts ready to learn · Markdown, for your AI

1. Physical Sciences · Electromagnetic Radiation

  1. Waves & Different Materials: Explain how waves can be absorbed, transmitted, or reflected by different materials, and apply these interactions to explain colour perception, sight, communication technologies, and the effects of different surfaces on wave behaviour

2. Physical Sciences · Wave Properties

  1. Wave Properties & Types: Describe waves in terms of amplitude, wavelength, frequency, and wave speed; distinguish transverse waves (oscillation perpendicular to direction of travel) from longitudinal waves (oscillation parallel); and use the wave equation v = fλ

3. Physical Sciences · Relationship Between Energy and Forces

  1. Motors & the Motor Effect: Explain the motor effect as the force on a current-carrying conductor in a magnetic field, and describe how this principle is used in electric motors and loudspeakers

4. Physical Sciences · Conservation of Energy and Energy Transfer

  1. Energy can't be created or destroyed: Explain the principle of conservation of energy (energy cannot be created or destroyed, only transferred between stores), and describe how energy is dissipated as thermal energy to the surroundings in all real processes

5. Physical Sciences · Definitions of Energy

  1. Power: watts and energy per second: Define power as the rate of energy transfer (power = energy ÷ time, measured in watts), and compare energy transfer rates in different everyday contexts

6. Physical Sciences · Types of Interaction

  1. Electromagnets: Describe the magnetic effect of an electric current (a current-carrying wire produces a magnetic field), and investigate how the strength of an electromagnet depends on current, number of coil turns, and core material
  2. Universal Gravitation: Describe gravity as a universal attractive force between all masses, explain that orbital motion arises because gravity provides the centripetal force keeping objects in orbit, and compare gravitational field strengths on different planets

7. Physical Sciences · Forces and Motion

  1. Resultant Forces: Describe forces as vector quantities with both magnitude and direction, distinguish between balanced forces (zero resultant, no change in motion) and unbalanced forces (non-zero resultant, causes acceleration or deceleration)
  2. Newton's First & Second Laws: State and apply Newton's First Law (an object stays at rest or constant velocity unless acted on by a resultant force) and Second Law (force = mass × acceleration), including the relationship between mass, force, and acceleration

8. Physical Sciences · Chemical reactions

  1. Physical vs Chemical Changes: Distinguish between physical changes (reversible, no new substances formed) and chemical changes (new substances formed, often irreversible), using conservation of mass to understand both types

9. Physical Sciences · Structure and Properties of Matter

  1. Ceramics, Polymers & Composites: Describe the properties and uses of ceramics (hard, brittle, heat-resistant), polymers (flexible, lightweight, variable), and composites (combine properties of constituent materials), giving real-world examples of each
  2. Pure Substances & Mixtures: Distinguish between pure substances and mixtures, identify formulations as useful mixtures with precise compositions, and use melting and boiling points to test for purity
  3. Metals vs Non-Metals: Compare the physical and chemical properties of metals and non-metals, explaining metallic properties (malleability, lustre, conductivity) and how position in the periodic table predicts reactivity

10. Life Sciences · Adaptation

  1. Biodiversity & Resilience: Explain what biodiversity means, why high biodiversity makes ecosystems more resilient, and describe the ways human activity threatens biodiversity (habitat destruction, pollution, invasive species, climate change)
  2. How Natural Selection Works: Explain natural selection as the mechanism of evolution: heritable variation + competition for resources + differential survival and reproduction = change in allele frequency over generations
  3. Extinction & Rapid Change: Explain how environmental change can outpace a species' ability to adapt through natural selection, leading to extinction, using historical and contemporary examples

11. Life Sciences · Evidence of Common Ancestry and Diversity

  1. Evidence for Evolution: Describe the main types of evidence for evolution: the fossil record (change over time), comparative anatomy (homologous structures), and the geographic distribution of related species

12. Life Sciences · Variation of Traits

  1. Variation in Species: Explain variation within and between species, distinguishing between continuous variation (e.g. height) and discontinuous variation (e.g. blood group), and between genetic and environmental causes
  2. Genetic Mutation: Explain genetic mutation as a random change in DNA sequence, describe causes of mutation (e.g. radiation, chemicals, copying errors), and explain that most mutations are neutral, some harmful, and a few beneficial

13. Life Sciences · Cycles of matter and Energy Transfer in Ecosystems

  1. The Carbon Cycle: Describe the carbon cycle, tracing carbon through photosynthesis, respiration, feeding, decomposition, and combustion, and explain the role of each process
  2. Predator Loss and Ecosystem Effects: Quantify energy transfer efficiency through trophic levels (~10% rule); explain trophic cascades: how removing an apex predator triggers a chain of ecosystem changes (sea otters → sea urchin explosion → kelp forest collapse); define 'fishing down the food web'; evaluate evidence for ocean rewilding — shark reintroduction, whale recovery driving nutrient cycling; understand why ecosystem-based fisheries management is needed

14. Life Sciences · Organization for Matter and Energy Flow in Organisms

  1. Earth's Atmosphere & CO2: Describe the composition of Earth's atmosphere (mainly nitrogen and oxygen, with small amounts of CO₂ and other gases), explain how human activity increases CO₂, and describe the impact on global climate
  2. Aerobic Respiration: Explain aerobic respiration as the process by which organisms release energy from glucose using oxygen, producing carbon dioxide and water; write and interpret the word equation: glucose + oxygen → carbon dioxide + water
  3. Photosynthesis: Explain photosynthesis as the process by which plants use light energy to convert carbon dioxide and water into glucose and oxygen, and describe how mineral nutrients are absorbed through roots

15. Life Sciences

  1. How the Body Stays in Balance: Explain homeostasis as the process of maintaining a stable internal environment; describe the main feedback loop systems (negative feedback) using blood glucose regulation (insulin/glucagon) and body temperature as concrete examples; and connect the endocrine system (hormone-secreting glands) to the nervous system as two complementary communication systems with different speeds and durations
  2. Cells to Organ Systems: Describe the hierarchical organisation of multicellular organisms: cells → tissues → organs → organ systems → organism

16. Earth and Space Sciences · Natural Resources

  1. Finite Resources & Recycling: Explain that many raw materials (metals, fossil fuels, minerals) are finite resources, describe the environmental costs of extraction, and evaluate the benefits of recycling and the circular economy

17. Earth and Space Sciences · The History of Planet Earth

  1. Reading Ancient Climate Records: Explain how ice cores preserve ancient air bubbles, isotope ratios, and volcanic markers allowing reconstruction of temperature and CO2 going back 800,000 years; describe tree rings, ocean sediment cores, coral skeletons, and pollen records as additional climate proxies; explain how climate models are built and validated against the palaeoclimate record; describe the IPCC process of synthesising scientific evidence across thousands of studies to produce consensus assessments
  2. How Tectonic Plates Move: Understand that convection currents in the molten mantle drive the movement of rigid tectonic plates; distinguish between convergent (collision/subduction), divergent (spreading ridges), and transform (sliding) plate boundaries; explain why volcanoes, earthquakes, and mountain chains cluster at boundaries; introduce the Wilson cycle of supercontinent assembly and breakup

18. Earth and Space Sciences · The Universe and its Stars

  1. Galaxies and the universe: Describe the scale of the universe, including the structure of galaxies, the position of the Sun in the Milky Way, and the use of light years as a unit of distance, and appreciate why space exploration requires enormous timescales
  2. Life Cycle of a Star: Describe the life cycle of a star from nebula through main sequence to its end state (white dwarf, neutron star, or black hole depending on mass), and relate the life cycle to the origin of elements heavier than hydrogen