13science
G6 science
Mon.Mon.
Dec. Dec.
14 G6
1/5 1/3
What are three types of biodiversity?
a.
species, genetic, and ecosystem
b.
mutation, disorder, regression
c.
genes, cells, traits
d.
water, land, mountains
Plants that are in an ecosystem are called flora.
a.
True
b.
False
What factor affects biodiversity in an ecosystem?
a.
area
b.
climate
c.
genetic diversity
d.
diversity of niches
e.
all of the above
f.
none of the above
The vast majority of extinctions are the result of
a.
habitat loss.
b.
temperature change.
c.
natural disasters.
d.
humans.
Which effect of drought is likely to lead to the extinction of a species of grazing
animals?
a.
reduced prey populations
b.
increased volcanic activity
c.
decreased plant growth
d.
increased predator populations
What type of plant does not allow native plants to grow?
a.
good plant
b.
invasive plant
c.
native plant
d.
freelance plant
1
Mon. Dec. 14 G6 science 2/5
Mon. Dec. 13 G6 science 2/3
Species in danger of becoming extinct in the near future are called
Species that could become endangered in the near future are called
The number of different species in an area is called its
Wetlands
are low-lying areas where water covers the soil or is
present at or near the surface. Instead of draining these "swamps", we now
conserve and even create them because they filter pollutants from water runoff.
Name five abiotic factors that may influence a pond ecosystem found on a farm.
• fertilizer, pesticides, runoff, etc.
2
Tues. Dec. 14 G6 science 3/3
Tues.
Dec.
science
Mon.
Dec.
1414
G6G6
science
4/51/2
6. ________________________ __________________________ states that the faster a fluid
or gas travels, the lower its pressure.
7. The _____________________ is the body of an aircraft that holds passengers or cargo.
8. To ____________________ is to drive or push on object forward.
PART D: SHORT ANSWER. Answer each question using a couple of well worded
sentences. (2 each x 10 = 20 marks)
1.
Explain why a hot air balloon rises. How does it land?
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
2. What is an airfoil? Why is it so important for flight?
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
_______________________________________________________________________
3. Identify and describe 3 properties of air.
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
4. Define fluid and give 2 examples.
________________________________________________________________________
________________________________________________________________________
4 3