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Astronomy
Simple Machines
Properties of Matter:Density
Weathering and Erosion
HIV and AIDS
100
A constellation
What is a pattern of stars known as
100
When force is applied to a certain object through a distance
What is work
100
A change in the substance where its made physically different, but remains the same substance
What is a physical change
100
Thousands of years!
How long does it take to go through one rock cycle
100
White blood cells and immune system
What is the system HIV attacks
200
The closer the planet to the sun the shorter the revolution
What is the relationship between the planets orbits and the distance from the sun
200
The driven gear
What is the gear force is applied to
200
When a substance becomes another substance chemically
What is a chemical change
200
How they are formed
How are rocks classified?
200
No
Can HIV be cured?
300
the sun is massive and contains 99% of the solar systems mass
Why do planets revolve around the sun
300
-Lever -Pulley -Wedge -Wheel And Axle -Inclined Plane -Screw
What are the six simple machines
300
Grams per centimeters cubed (g/cm3)
What unit is density measured in
300
The physical breaking down of rocks or mineral into smaller pieces
What is physical weathering
300
A person who does not possess sufficient resistance against resistance against a particular organism
What is a susceptible host?
400
lightyears
What is the distance in space measured in
400
They turn in opposite directions
What happens when gears mesh
400
Grams (g)
What unit is volume measured in
400
Gravity
What is the major driving force behind erosion?
400
Human Immunodeficiency Virus
What does HIV stand for
500
A body at rest remains at rest unless acted upon by an outside force; a body in motion remains in motion unless acted upon by an outside force
What is inertia
500
can openers, scissors, wheel barrow...
What are complex simple machines
500
Mass divided by volume
What formula is used to find density
500
The outermost layer of the earth
What is a lithosphere?
500
An infectious agent
What is a communicable disease caused by