- Demonstrations
- Photosynthesis
- ph and how to measure it
- Simple machines
- Levers
- How a switch works
- How light reflects
- How a motor works
- How thermometers work
- Does air have weight
- Open and closed circuits
- Evaporation
- How seeds travel
- How magnets work
- How a bicycle works
- Newton’s 3rd law
- How heat is transmitted
- What makes a hot air balloon rise
- How a thermostat work
- The steam engine
- How a microscope works
- How a periscope works
- What makes a rainbow
- How a telescope works
- How a camera works
- How polaroid glasses work
- What causes light to bend
- How a prism works
- The pinhole camera
- What causes echoes
- How a record player works
- How batteries work
- The telegraph
- Hydroelectric power
- How airplanes fly
- How rockets fly
- How a canal lock works
- Primitive clocks
- Distillation
- Water filtration
- How elements combine to make compounds
- The submarine
- The sextant
- What is density
- What is surface tension
- How a barometer works
- Effects of air pressure
- Fermentation
- Osmosis
- Phases of the moon
- Eclipses
- How a geyser works
- How windmills work
- Sedimentation
- How a sundial works
- The circulatory system
- The human heart
- Tooth decay
- Why fish have fins
- How do bird’s wings work
- Hydroponics
- Paper recycling
- Glass recycling
- Oil wells--how they work
- How binoculars work
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- Observations
- Crystals
- Properties of solids, liquids, & gases
- Local weather
- Clouds
- Animal tracks (incorporate habitat)
- Spider Webs
- How insects change
- Parts of a flower (incorporate pollination)
- Inside the egg (Incorporate life cycle)
- A beaver home
- Fingerprints
- Shadows
- Gravity
- Rocks & Minerals
- Homemade Models
- Inside our earth
- Volcanoes
- Our solar system
- How the ear works
- Galaxies and the Milky Way
- Features of the earth’s surface
- (i.e. Mountain or Rock formations)
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