Science Textbook Files
Sec 1.1B - Energy exists in different forms.
Sec 1.2B - Energy can change forms but is never lost.
Sec 1.3B - Technology improves the way people use energy.
Chapter 1 Review
Sec 2.1B - Temperature depends on particle movement.
Sec 2.2B - Energy flows from warmer to cooler objects.
Sec 2.3B - The transfer of energy as heat can be controlled.
Chapter 2 Review
Sec 1.1C - Waves transfer energy.
Sec 1.2C - Waves have measurable properties.
Sec 1.3C - Waves behave in predictable ways.
Chapter 1C Review
Sec 2.1C - Sound is a wave.
Sec 2.2C - Frequency determines pitch.
Sec 2.3C - Intensity determines loudness.
Sec 2.4C - Sound has many uses.
Chapter 2C Review
Sec 3.1C - EM waves have unique traits.
Sec 3.2C - EM waves have many uses.
Sec 3.3C - The Sun is the source of most visible light.
Sec 3.4C - Light waves interact with materials.
Chapter 3C Review
Sec 4.1C - Mirrors form images by reflecting light.
Sec 4.2C - Lenses form images by refracting light.
Sec 4.3C - The eye is a natural optical tool.
Sec 4.4C - Optical technology makes use of light waves.
Sec 1.3D - Energy flows through ecosystems.
Sec 1.4D - Biomes contain many ecosystems.
Chapter 1D Review
Sec 2.1D - Groups of living things interact within ecosystems.
Sec 2.2D - Organisms can interact in different ways.
Sec 2.3D - Ecosystems are always changing.
Chapter 2D Review
Sec 3.1D - Human population growth presents challenges.
Sec 3.2D - Human activities affect the environment.
Sec 3.3D - People are working to protect ecosystems.
Chapter 3D Review
Sec 1.1E - Some space objects are visible to the human eye.
Sec 1.2E - Telescopes allow us to study space from Earth.
Sec 1.3E - Spacecraft help us explore beyond Earth.
Sec 1.4E - Space exploration benefits society.
Chapter 1E Review
Sec 2.1E - Earth rotates on a tilted axis and orbits the Sun.
Sec 2.2E - The Moon is Earth's natural satellite.
Sec 2.3E - Positions of the Sun and Moon affect the Earth.
Chapter 2E Review
Sec 3.1E - Planets orbit the Sun at different distances.
Sec 3.2E - The inner solar system has rocky planets.
Sec 3.3E - The outer solar system has four giant planets.
Sec 3.4E - Small objects are made of ice and rock.
Chapter 3E Review
Sec 4.1E - The Sun is our local star.
Sec 4.2E - Stars change over their life cycles.
Sec 4.3E - Galaxies have different sizes and shapes.
Sec 4.4E - The universe is expanding.
Chapter 4E Review