Unit 4, Lesson 2Unit 4, Lesson 2 Focal point: We will learn about the weapons Focal point: We will learn about the weapons

and technology that changed warfare.and technology that changed warfare.

Do Now: If you were in charge of Do Now: If you were in charge of military spending, how would you military spending, how would you

use the money given to you to use the money given to you to develop weapons and technology?develop weapons and technology?

A A tanktank is a tracked, armored  is a tracked, armored fighting vehicle designed for front-fighting vehicle designed for front-

line combat line combat 

BRITISH MARK IV TANKBRITISH MARK IV TANK

Notice where weaponsSuch as a torpedo or Machine gun can shootFrom the sides

A A machine gunmachine gun is a fully automatic mounted or  is a fully automatic mounted or portable firearm designed to fire larger bullets quicker portable firearm designed to fire larger bullets quicker

(rate of several hundred rounds per minute) and farther (rate of several hundred rounds per minute) and farther than ever beforethan ever before

British Vickers Machine Gun

Machine GunnersAbove: looking for aircraftSide: looking ground level

PlanesPlanes were used for the first time. First they were used were used for the first time. First they were used to deliver bombs and spying. As the war progressed, to deliver bombs and spying. As the war progressed, fighter aircrafts were armed with machine guns and fighter aircrafts were armed with machine guns and

bombs. Fights between two planes in the sky became bombs. Fights between two planes in the sky became known as ‘dogfights’known as ‘dogfights’

pp

Planes brought a new dimension to warfare – AERIAL ATTACKS. Soldiers on the ground had to worry about being bombed from above. Machine guns attempted to neutralize aerial attacks.

Chemical warfare; the use of tear gas and Chemical warfare; the use of tear gas and mustard gas, killed and blinded many soldiers mustard gas, killed and blinded many soldiers during WWI. Soldiers were forced to wear gas during WWI. Soldiers were forced to wear gas masks in the trenches to avoid becoming a masks in the trenches to avoid becoming a

casualty.casualty.

Soldiers and their dogs wearing gas masksIn the trenches (above)

Children wearing gas masks (side)

JOURNAL ACTIVITYJOURNAL ACTIVITY Complete the activity on a piece of Complete the activity on a piece of

loose-leaf to be collected.loose-leaf to be collected. Pretend to be a soldier preparing for Pretend to be a soldier preparing for

World War I. Write a journal explaining World War I. Write a journal explaining the new weaponry you are learning. the new weaponry you are learning. Describe three weapons learned from Describe three weapons learned from today’s lesson including which one is today’s lesson including which one is your favorite and why. Be creative.your favorite and why. Be creative.