Cause and Effect Review

Explain what photosynthesis is.

• When atoms combine with air

• When plants use sunlight to make food

• Oxygen, water and sugar

• Water is released through leaves

Explain why people were lucky to own farms during the Great Depression

• Most families did not want to purchase farms

• Food was traded for other items

• Many families did own farms

• Family members could not find work and therefore did not have the money to purchase farms

Explain why Lewis and Clark went on their journey.

• President Jefferson wanted to learn more about the western United States

• They began in Ohio

• The president paid them

• They wrote journals describing what they saw

Explain how the Industrial Revolution changed the way people lived.

• Working conditions got worse

• Laws were made to protect workers

• People paid less for supplies and got them faster

• All of the above

What is the most likely reason troops and wars helped to spread chess around the world.

• The first game of chess was played in India over 1,500 years ago

• The pieces may take different shapes depending on the country

• Troops had to travel around the world and brought chess with them to different places

• Troops taught other troops how to play chess during battles in the wars

Why was none of the bacteria alive in Fleming's petri dishes?

• The mold killed the bacteria

• Penicillin caused more bacteria

• He discovered penicillin by accident

• It was discovered that this type of mold is the same as that which grows on bread

Why are the sound waves able to put out the fire?

• They spray liquid on the fire

• They take the oxygen away from the fire

• They increase the force of the sound waves with an amplifier

• They extinguish the fire by extinguishing it

How was Marco Polo different from the other explorers?

• He traveled to China

• He lived in China for 17 years

• People liked the stories he told about China

• He journaled about the things he saw in China

According to the text, why was the Declaration of Independent important for the colonists of the United States?

• The colonists were able to take out their frustrations on the King of England

• The colonists ruled America

• The Declaration of Independence made the colonists free from England's rule

• It meant a stop to taxes everywhere

According to the passage, why did the United States join World War II?

• England and the United States were fighting

• Japan attacked the United States

• Prime Minister Winston Churchill refused to be allies with the United States

• The United States wanted to join Japan