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What is friction?
A force that resists motion when two things are in contact.
Friction is a **** that working in the ***** direction. It slows objects down or causes them to ****. This only happens if ***** is made. The roughter the surface is, the ****** the friction it has.
force, opposite, stop, contact, greater
What tires should be used in the winter to help people drive safely? Why do they help?
Winter tires should be used because they have special grooves to increase friciton in icy conditions.
What is erosion?
wearing away of the earth's surface
What is hurricane?
an extreame, windy condition
What is lightning?
a charge in a strom caused by static electricity
the force that keeps clouds in the sky
buoyancy
the force that can be found in a rock containing iron
magnetism
List examples of extreme natural forces.
earthquake,flood, lightning, tornado, landslid, volcanic eruption
Where is magma found? What does magma contain?
Magma is found deep down below the Earth's surface. It contains minerals.
What are coming out of volcanic eruptions? Why do people live close to dormant volcanoes?
The lava and ash. Eruption breaks down soil that is perfect for farming.
The science of matter, motion, force
physics
a wheel-like machine driven by moving ari or water
turbine
What do you call the scientist who studies forces that affect weather?
meteorologist
What do you call the scientist who studies how forces affect the human body?
biomechanist
What do you call the scientist who studies forces that shape the Earth?
geologist
