Simple Machines 1
Levers
Transport System
Body Systems
Volcanoes
200
Machines with a few parts are called
simple machines
200
Three points on a lever
effort, fulcrum, load
200
The process in which plants lose water through their leaves
transpiration
200
System that breaks down food for energy
digestive system
200
A volcano that have not erupted for a long time and will not erupt again
extinct volcano
400
The point on a lever that does not move
Fulcrum
400
A wheelbarrow carrying dirt is an example of what class of lever?
second class
400
Name the two vessels in the transport system of plants
xylem and phloem
400
The two systems that work very closely with each other to provide oxygen to all parts of the body.
Respiratory and Circulatory
400
Name of the part labelled C
lava flow
600
What are the basic simple machines
Pulleys, levers, wedges, inclined planes, wheel and axle and screws
600
What point of a lever is in the middle for a third class lever?
effort
600
Two substances transported by the xylem vessel
water and minerals
600
Name the systems above in the correct order
circulatory, skeletal, nervous, digestive
600
one disadvantage of volcanoes
disrupt economy, settlements, etc
800
Provide two examples of an inclined plane.
Examples: slide on playground; handicapped ramp; a ladder; a roller coaster ride (track).
800
In levers, where should the load sit to make work easier?
Closer to the fulcrum
800
name of the substance transported by the phloem
glucose
800
System made up of glands that makes hormones to regulate the body functions such as growth
endocrine system
800
What will become of the part labelled C
form new land
1000
What happens when 2 or more pulleys are used together?
It multiplies the force to make it 2 times easier.
1000
What is the distance of the 2kg weight?
6m
1000
In what direction do the substances in the phloem flow?
both ways upward and downward
1000
Body system that works along with every other system
circulatory system
1000
Name three advantages of volcanoes
beautiful scenery
fertile lands
geothermal energy
form new lands