Science Exam Overview: Chemistry, Biology, Optics, Climate

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Questions and Answers

What is the primary focus when studying Types of reactions in chemistry?

  • Recognizing patterns in reactions (correct)
  • Calculating the speed of light
  • Understanding chemical formulas
  • Labeling cell organelles

Which process is primarily associated with the conservation of mass?

  • Indicating pH levels
  • Forming specialized cells
  • Balancing skeleton equations (correct)
  • Labeling plant tissues

What is the main function of cell organelles?

  • To perform specific tasks essential for cell function (correct)
  • To facilitate photosynthesis
  • To transport gases in the blood
  • To support the hierarchy of structure in organisms

Which topic addresses the mechanics of breathing?

<p>Heart structure (C)</p> Signup and view all the answers

What is a primary component of blood flow pathway studies?

<p>Understanding high blood pressure (A)</p> Signup and view all the answers

What gas is commonly studied in relation to climate change?

<p>Carbon dioxide (D)</p> Signup and view all the answers

Which concept is critical for understanding image types in optics?

<p>Refraction index calculations (D)</p> Signup and view all the answers

Which area of study encompasses recognizing vision problems?

<p>Understanding the human eye (A)</p> Signup and view all the answers

Which process is primarily involved in generating energy from sunlight?

<p>Photosynthesis (A)</p> Signup and view all the answers

What fundamental principle is demonstrated by balancing skeleton equations?

<p>Conservation of mass (D)</p> Signup and view all the answers

Flashcards

Covalent Bond

A chemical bond formed by the sharing of electrons between atoms.

Ionic Bond

A chemical bond formed by the transfer of electrons from one atom to another.

Acid

A substance that releases hydrogen ions (H+) in water, resulting in a lower pH.

Base

A substance that releases hydroxide ions (OH-) in water, resulting in a higher pH.

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Photosynthesis

The process by which plants convert light energy into chemical energy in the form of glucose, using carbon dioxide and water.

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Digestion

The process by which the body breaks down food into smaller molecules that can be absorbed and used for energy.

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Connective Tissue

A type of tissue that provides support and structure to an organism.

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Converging Lens/Mirror

A lens or a mirror that converges light rays, causing them to meet at a point.

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Diverging Lens/Mirror

A lens or a mirror that diverges light rays, causing them to spread apart.

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Refraction

The bending of light as it passes from one medium to another, causing the light to change direction.

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Study Notes

Exam Breakdown

  • Multiple Choice: 25 questions
  • True/False: 10 questions
  • Labeling: 2 diagrams and 10 labels, 10 marks
  • Written Responses (communication): 5 questions, 20 marks
  • Short Answer: 4 questions with multiple parts, 26 marks

Chemistry Topics

  • Forming chemical bonds
  • Understanding chemical bonds
  • Ions
  • Conservation of mass
  • Balancing skeleton equations

Biology Topics

  • Cell organelles + Function
  • Cell Structure
  • Hierarchy of structure
  • Forming specialized cells
  • Cell cycle
  • Blood flow pathway
  • Photosynthesis
  • Digestive system
  • Blood cells

Optics Topics

  • Light production
  • Speed of light
  • Calculating RI
  • Types of mirrors/lenses
  • Image types

Climate Change Topics

  • Climate Change gases
  • Weather
  • Layers of atmosphere
  • Global Warming
  • Deforestation

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