List of Intermediate
(for Grades 7 and 8)
- factors affecting the rate of photosynthesis temperature, light intensity,
water, carbon dioxide - part of light spectrum used in photosynthesis
studies on inheritance
Studies - Connection between hair and eye color
the effects of various nutrients on plant growth
growth - How does the amounts of water affect plant growth?
growth - How does the hours of sunlight affect plant growth?
growth - How does the strength of weed killer affect the plant growth?
growth - How does the temperature affect the plant growth?
growth - How do pollutants affect the plant growth?
growth - How does the PH level affect the plant growth?
plants live without carbon dioxide?
- how do different types of soils affect the ability of roots to anchor
conditions are favorable for: -fungus growth- E.G. yeast, mold, mildew
conditions are favorable for mushroom production?
conditions are favorable for algae growth?
conditions are favorable for bacteria growth or control?
Studies - types of bacteria found around the home
Studies - types of bacteria found on the body
System - Factors Affecting Blood Pressure
System - Factors Affecting Heart Rate
System - Factors Affecting the rate of breathing
System - Is there any relation between the blood pressure and the rate of
reactions that produce energy or that require energy
of consumer products- glues, stain removers, antiseptics, mouthwash,
detergents, paper towels
of sunlight on rubber, ink, paper
the PH levels in mouths of various animals and humans at different times in
the surface tension of various liquids
with chemical spills from industry
of salt and other contaminants on rate of rusting
crystals- factors that affect the rate and the size
you obtain water from ink, vinegar, milk?
soil samples for their components, ability to hold moisture, fertility and
the amount of particle pollution vary with distance from a road, with
location, with height. Determine types of particles found in pollution
how they work and why; commercial applicants and problems
do acids react with different metals under varying conditions
different metals by the color of flame when they burn
metals based on their reactivity
the principles, how different metals can be used and the practical
to make PH indicator using cabbage?
Yogurt is made? Is it a chemical or biochemical reaction?
of temperature on viscosity of oil
salt water potable, removal of pollutants
Battery. Can you Make Electricity from Fruits and Chemicals
what happens when it melts; what does it contain; structure of snow flakes;
life in a snowbank
and Clouds- what are the common wind patterns in your area and why? Is cloud
formation related to height, weather systems and temperature? Study and
record how clouds relate to weather patterns.
wind travel at same speeds and in same directions at different heights?
which effects the rate of evaporation most- temperature, humidity, wind
speed or other factors?
can you measure the speed and force of raindrops?-What is the effect on
soil, with and without ground cover? Could you simulate the effect of rain?
Retention- does fresh water hold heat longer than salt water? How does water
compare to land and what effect does this have on the weather? What factors
affect the cooling of land?
how do different surfaces affect the amount of sunlight reflected and
absorbed? Design a method of measuring how much sunshine is available each
records- Design and build an automatic recording weather device. Test it
over a period of time.
and Burning- what factors affect burning?
and their efficiency in producing energy.
instruments- the scientific principles behind them
Versus Noise- difference
how can a period of a pendulum be increased?
Pressure- Water Pressure
do you establish "elevation from sea level"?
compare efficiencies, effect of different lubricants
effects of curvature, materials on light beams
eggs withstand a greater force from one direction than from others?
strong are nylon fishing lines?
strong are plastic wraps?
homemade airplane design flies best?
factors affect the bounce of a dropped ball?
do compression and tension make things strong?
strong is a toothpick?
type of lawn sprinkler works best?
type\size of light bulb produces the most light?
can the strength of light be measured?- the effect on degradable materials
materials can be charged with static electricity?
battery lasts the longest?- How can power be increased?
affects light reflection?- refraction and diffraction of light?
and color production- prisms 27.
is sound produced? What affects the pitch of sound?- What affects the volume
of sound? - How would you measure the velocity of sound?
Motors- principles and factors effecting their efficiency
Circuits- factors affecting voltage,amperage, resistance
and electromagnets- What affects the strength of an electromagnet?
Levitation- Experiment gravity defying effects of magnetism and build a
Magnetic Levitating Train
is paint affected by temperature changes?- Elasticity of rubber; effect of
of solar energy- design and construct solar cookers, solar panels, etc.
a strong bridge
the accuracy of various thermometers
much heat is required to raise the temperature of various substances by an
an energy efficient home
water be magnetized?
copper wires to optical fibers for transmitting sound, image or data.