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WorksheetsArticle: Humans and Earth
Total questions: 26
Worksheet time: 13mins
How long have humans lived on Earth?
About 200,000 years
About 2,000 years
About 20,000 years
About 2,000,000 years
What were the first people called?
Farmers and builders
Hunters and gatherers
Teachers and students
Kings and queens
Why did early humans have to move all the time?
To find new friends
To escape wild animals
To get the food they needed to live
To build new houses
What important change happened about 12,000 years ago?
People learned to fly
People developed farming
People built cars
People invented writing
How did farming change people’s lives?
They could travel more
They could grow their own plants and raise animals
They could swim better
They could climb mountains
Why did farming have a huge impact on the planet?
It made the weather change
It allowed people to stop hunting all the time and settle in one place
It made animals disappear
It made the Earth smaller
Why is it important for farmers to understand the local climate?
So they can travel more
So they can predict when to harvest crops
So they can build bigger houses
So they can find new animals
Which of the following is a result of people having more time because of farming?
They moved to new places every day
They learned new skills and invented new things
They stopped eating food
They forgot how to build houses
How do the length of days change as summer approaches?
Days get shorter
Days stay the same
Days get longer
Nights disappear
Why is information about a place’s climate important for farmers?
It helps them decide what crops to grow.
It helps them find new animals.
It helps them build houses.
It helps them travel faster.
Which of the following is true about avocados based on the text?
They grow best in places where the temperature rarely dips below freezing.
They grow best in cold and snowy places.
They need less than 2 hours of sunlight a day.
They can only grow in winter.
Why wouldn't growing the same crop in Alaska work as well as in other places?
The temperature would be too low and there would be hardly any sunlight.
There would be too much rain all year.
The soil would be too rich for crops.
There would be too many animals eating the crops.
What is soil erosion?
When soil is blown off by the wind or washed away by rain.
When plants grow too quickly in the soil.
When animals dig holes in the ground.
When rocks break down into smaller pieces.
What has happened to nearly half of the livable land on Earth due to farming?
It has been turned from natural habitat into farmland.
It has become covered in forests.
It has been flooded by rivers.
It has been left untouched by humans.
Why is soil often left unprotected on farmland?
Most or all wild plants and animals are cleared away.
Farmers plant too many trees.
The land is always covered in water.
The soil is made of rocks.
Explain how farming can lead to soil erosion. Use evidence from the text to support your answer.
Farming removes wild plants and animals, leaving soil unprotected, so wind and rain can carry it away.
Farming adds more water to the soil, making it heavier.
Farming increases the number of animals, which protect the soil.
Farming makes the soil harder, so it cannot be moved.
According to the World Wildlife Fund (WWF), how much soil does Brazil lose each year because soy farmers clear the land?
55 million tons
10 million tons
100 million tons
1 million tons
What happens to much of the soil that is lost when land is cleared by soy farmers in Brazil?
It ends up in rivers and lakes, damaging habitats.
It is used to build roads.
It is shipped to other countries.
It turns into rocks.
What is one effect of soil loss on the Xingu Indigenous Park in Brazil?
There are far fewer fish than before.
The park has more trees.
The park has more animals.
The park has more rainfall.
What is one way farmers can help prevent soil from blowing away?
By planting rows of trees around their fields (windbreaks)
By using more water
By building fences
By planting more soybeans
Why do windbreaks help protect soil?
They stop the wind from blowing the soil away.
They make the soil heavier.
They add more water to the soil.
They change the color of the soil.
What is the main benefit of no-till farming mentioned in the text?
It increases the amount of soil in waterways.
It makes it easier for wind to carry soil away.
It makes it harder for wind or rain to carry soil away.
It reduces the number of crops grown.
About how much of the crops in Brazil are grown using no-till farming?
All crops
About half
None
One quarter
Why is it important to consider the effects of our actions on Earth, according to the text?
Because it is fun to think about
Because our choices have a big impact on Earth
Because it is required by law
Because it makes farming easier
What should people do when there are multiple possible solutions to a problem?
Choose the first solution they think of
Ignore the problem
Compare and test the solutions to find the best approach
Ask someone else to solve it
Why do farmers use natural resources, according to the text?
For almost everything they do
Only for growing flowers
Only for building houses
Only for making clothes
