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 are wind farms used for?
Wind farms produce elctricity using huge turbines.
Where is magma found? What does magma contain?
Magma is found deep down below the Earth's surface. It contains minerals.
What is lightning?
a charge in a strom caused by static electricity
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
the force that can be found in a rock containing iron
magnetism
What is erosion?
wearing away of the earth's surface
the force that keeps clouds in the sky
buoyancy
What do you call the scientist who studies forces that affect weather?
meteorologist
What do you call the scientist who studies how forces affect buidings?