Plants
Disease
Electricity
Fossils/Rock Layers
Mixtures
100
short plants that live in moist areas
What are non-vascular plants?
100
non-living particle that takes control of living cells
What is a virus?
100
has only one path for the electric current to follow
What is a series circuit?
100
youngest rocks found here
What is the top layer?
100
smooth, even mixtures
What are homogeneous mixtures?
200
moss, liverwort, hornwort, fern, club moss, & horsetail
What are plants that reproduce with spores?
200
single celled organism with a cell wall
What is bacteria?
200
has more than one path for the electric current to follow
What is a parallel circuit?
200
oldest rocks found here
What is the bottom layer?
200
uneven mixtures where each part is easily seen
What are heterogeneous mixtures?
300
have vascular tissue and reproduce with pollen
What are seed plants?
300
cause Hiker's disease and malaria
What are protists?
300
electric current that flows in only one direction
What is direct current?
300
fossils with the simplest life forms
What are the oldest organisms?
300
used to test pH
What is an indicator?
400
naked seeds on cones
What are gymnosperms?
400
cause ringworm and athlete's foot
What are fungi?
400
electric current that changes direction many times each second
What is alternating current?
400
organisms that can adapt have the greatest chance to survive and reproduce
What is natural selection?
400
0-6 on pH scale
What is an acid?
500
produce flowers & seeds enclosed in fruit
What are gymnosperms?
500
are only effective in treating bacterial infections
What are antibiotics?
500
current that comes into this school and your home
What is alternating current?
500
observed nature and proposed the idea of natural selection
What was Charles Darwin?
500
8-14 on pH scale
What is a base?
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