What do woofers receive instead of money?
Meals, a place to stay, and valuable experience and knowledge
What is an oil spill?
An accident in which oil is released into the ocean or coastal waters.
What was Rosa Parks' job?
She was a seamstress.
What do the letters SO₂and NO stand for?
Sulfur dioxide and nitrogen oxide
What type of government allows citizens to vote?
A democracy.
What does WWOOF stand for?
World Wide Opportunities on Organic Farms
What can cause an oil tanker to leak oil?
Hitting a rock or shallow land at sea.
Why did Rosa Parks become famous?
She refused to give her seat on a bus to a white man.
Why doesn't acid rain usually kill trees directly?
It weakens them, making them more susceptible to other threats.
What is the paper used to vote called?
A ballot.
Name two countries with more than 2,000 WWOOF host farms
Australia, New Zealand, or the United States
Name TWO factors that affects the severity of an oil spill.
type of oil
the weather
What were segregation laws in the Deep South often called?
Jim Crow laws.
Name two manmade sources of acid rain and one natural source of acid rain.
Power plants, factories, or motor vehicles.
Volcanoes or wetlands.
Who was NOT allowed to vote in ancient Athens?
Who is generally allowed to vote in most countries today?
Women, foreigners, and slaves.
Citizens who are adults.
Why might someone choose to become a woofer even though they are unpaid?
To gain experience, learn about organic farming, travel, meet new people, or receive free meals and accommodation.
Why is crude oil more harmful than diesel or gasoline?
Because it stays in the environment longer and continues to harm wildlife.
Name two public places that African Americans could not share with white people.
Schools, libraries, bathrooms, or water fountains. (Any two)
What does acid rain change in the soil?
its pH level
Why must people register before voting?
To prevent people from voting more than once or using someone else's vote.
When and where did WWOOF begin?
English and 1971
What was one of the worst oil spills mentioned in the passage?
The Deepwater Horizon accident.
Who decided that segregation laws were unconstitutional?
The Supreme Court.
According to the passage, what are the main steps in the formation of acid rain?
Factories release SO₂ and NO → the chemicals mix with water droplets in clouds → the water becomes acidic → it falls as rain, snow, or mist.
Why are ballots kept secret?
Because it's one of the basic freedoms of democracies.