Science term 1

• What type of lenses spread light out?

  Concave lenses
• What is the relationship between the angle of incidence and the angle of reflection?

  They are equal
• What is a normal line in optics?

  A line perpendicular to the surface
• What does it mean to emit light?

  To give out light
• What does it mean to transmit light?

  To pass through
• What is a luminous object?

  An object that emits light
• What characterizes an opaque object?

  It does not allow light to pass through
• What characterizes a transparent object?

  Most light goes through
• What characterizes a translucent object?

  Some light goes through
• What is a medium in optics?

  A substance that allows light to pass through
• Why are recreational drugs taken?

  For enjoyment
• What is a drug?

  A chemical substance that affects the body
• What is a potential effect of drugs?

  They can be addictive
• What is the angle of incidence?

  The angle between incoming ray and normal
• What is the angle of reflection?

  The angle between reflected ray and normal
• What is a reflected ray?

  The ray that bounces off a surface
• What type of mirror is a plane mirror?

  A flat reflective surface
• How does light travel according to the study material?

  Light travels in straight lines
• What are the main functions of the skeletal system?

  • Allows movement
  • Provides support
  • Makes blood cells
• What are some components of the skeletal system?

  • Skull
  • Clavicle
  • Sternum
  • Spine
  • Femur
  • Tibia
• What is the term for the study of how organisms interact with their environment?

  Ecology
• What are the two main types of factors in an ecosystem?

  Biotic and abiotic
• What are the methods of sampling in ecology?

  • Random sampling
  • Quadrat sampling
  • Systematic sampling
• What is the role of producers in a food chain?

  They convert sunlight into energy
• What is biocumulation in an ecosystem?

  Accumulation of substances in organisms
• What are the components of a food web?

  • Producers
  • Consumers
  • Decomposers
• What is the skeletal system responsible for?

  Providing structure and support
• What is the organization of biological structures from cells to organs?

  Cell -> Tissue -> Organ
• What is the visible spectrum of white light?

  Red, orange, yellow, green, blue, indigo, violet
• What are the types of lenses used in optics?

  • Convex lenses
  • Concave lenses
• What is the primary function of the respiratory system?

  Facilitating gas exchange
• What are the categories of drugs?

  • Recreational drugs
  • Medicinal drugs
• What are the basic building blocks of matter?

  Atoms
• What are the three types of matter classifications?

  • Elements
  • Compounds
  • Mixtures
• What does a universal indicator do?

  Changes color based on pH
• What pH range indicates an acid on the universal indicator?

  1-6
• What pH value is considered neutral?

  7
• What pH range indicates an alkali on the universal indicator?


  8-14