Topics

The following are lists of topics that may appear on the Science Challenge Test.

Please ensure that you view the correct grade level.

3rd Grade

Chemistry

Subatomic particles
- Protons
- Neutrons
- Electrons
Physical vs. Chemical Changes
- Physical vs. Chemical Properties
- Phase Changes

4th Grade

SI Units
- Units for Different Measurements
- Unit Conversion
Waves
- Parts of a wave
- Wave measurements (amplitude, etc.)
- Types of Interference
- Wave Equation

Ecology
- Symbiosis
- Ecological Levels
- Food Chains, Webs, Pyramids
Population
- Mark-Recapture Method
- Limiting Factors
Earth Science
- Tectonic Plates
- Plate Boundary Types
Classification System
- Levels
- Six Kingdoms
Botany
- Flower Parts
- Plant Reproduction
- Plant Cells
Infectious Disease
- Pathogens & Treatment Types
  - Bacteria vs. Viruses
Human Body Systems
- Digestive
  - Organ Functions
- Respiratory
  - Organ Functions

5th Grade

Basic Chemistry Concepts
- Atoms & Elements
- Subatomic Particles
- Physical & Chemical Changes
- Classifications of Matter
pH Scale
- Acids & Bases
Chemical Reactions
- Compounds & Molecules
- Reactants, Products, Catalysts
- Factors Affecting Reaction Rates
- Balanced Equations

Electricity
- Conductors & Insulators
- Series & Parallel Circuits
- Ohm's Law
Newton's Laws of Motion
- 1st Law
- 2nd Law
- 3rd Law
- Free Body Diagrams
Simple Machines
- Fulcrum, Load, & Effort
- Types of Simple Machines
- Applications

Animal & Plant Cells
- Organelles
- Similarities & Differences
Mitosis
- Phases
- Chromosome Parts
Genetics & DNA
- Punnett Squares
- Genotypes
- Codominance
- Incomplete Dominance
Human Body Systems
- Musculoskeletal
  - Major Bones
  - Muscle Types
- Circulatory
  - Heart Chambers
  - Blood Type (compatibility)
  - Diseases
  - Blood Flow Path
- Nervous
  - Brain Lobes
  - Neurons (parts, function)
  - Other Brain Structures
  - Alzheimer's, Parkinson's