Download Testable Question Variables What is tested? Constant What stays

Testable Question
Variables
Constant
What is tested?
What stays the same?
Which parts of a
bean seed are
needed to grow a
healthy bean plant?
Seed parts
Are eco-friendly
materials as effective
as less eco-friendly
materials when packing
a breakable object?
Packing materials
Does recycled paper
decompose more
quickly than nonrecycled paper?
Type of paper
How does smell
affect taste?
Foods
(e.g. 1 cotyledon versus
2 cotyledons; embryo,
full seed)
(e.g. Styrofoam, bubble
wrap, newspaper,
popcorn…)
Data Collected
Website/Resource
Soil type, amount
of water and light,
temperature,
location
Plant height over
time (centimeters or
inches)
Discovery
Education/Science
Fair Central
Breakable object
(e.g. egg, cookies…),
size and material of
box, drop height
Number of objects
broken versus
whole
Discovery
Education/Science
Fair Central
Size of paper, time,
location (e.g. depth
Weight of paper
Discovery
Education/Science
Fair Central
Number of foods
correctly identified
while blindfolded
Discovery
Education/Science
Fair Central
buried in ground)
Nose plugs, time
(e.g. 3/5 correct)
How does
Temperature of
temperature affect water
the water uptake of
celery plants?
Size of celery plant,
amount of water,
time placed in
water
What factors affect
seed germination?
Type of plant,
Plant height over
amount of water
time (centimeters or
inches)
and light,
type/amount of soil
Discovery
Education/Science
Fair Central
Type of ball, drop
height,
subject/person
dropping
Height of bounce
Science Buddies
“Ball Bouncing
Dynamics”
Core material,
battery (brand &
voltage), paperclip
size
Number of
paperclips (lifted by
Type of wood, size of
finished/laminated
wood (piece tested),
Weight supported
by wood
Science Buddies
“Are Laminates
Stronger?”
Time (in seconds)
before bubble pops
Science Buddies
“Bubble-ology”
Pretreatment of
seeds (e.g. warm in
microwave, soaked in
water…)
Will the air
pressure change
the bounciness of a
ball?
Air pressure
How does the strength
of the magnetic field
change as the number
of turns in the coil is
increased?
Number of coils
Can laminating
wood can make it
stronger?
Amount of
laminate
Amount of water
absorbed over time
(e.g. weight of celery
before versus after
water)
(centimeters or inches)
current)
Discovery
Education/Science
Fair Central
Science Buddies
“Strength of an
Electromagnet”
brand of wood glue
What mixture
makes the best
bubble solution?
Solution ingredients
Amount of
solution, person
blowing the
bubbles