The Lorax and Environmental Science Worksheet

Which words in the book mean that the Lorax’s health wasn’t okay?

• He sneezed and coughed

• Happy and strong

• Tall and proud

• Fast and energetic

What is the correct chain of events?

• Factories and cars release oxygen → oxygen traps the heat → earth becomes warmer

• Factories and cars absorb CO₂ → the sun’s heat decreases → earth becomes cooler

• Factories and cars release CO₂ → CO₂ cools the earth → plants grow faster

• Factories and cars release CO₂ → CO₂ traps the heat from the sun → earth becomes warmer

Some effects of global warming are:

• Rising sea levels and extreme weather events. Habitats are destroyed which leads to extinction. Desertification.

• global temperatures go down

• polar ice caps

• less greenhouse gases

The Once’ler needs to burn fossil fuels and use toxic chemicals in making his thneeds because:

• it makes the process faster and more efficient.

• he wants to harm the environment.

• he has no other resources that he can use

• it the law.

Which words in the book could be seen as evidence that the Swomee-Swans went extinct?

• "The Swomee-Swans can't sing a note, with 'smogolous' smoke in their throats"

• "The Swomee-Swans flew south for the winter."

• "The Swomee-Swans built new nests."

• "The Swomee-Swans returned every spring."

Air pollution occurs when ______, dust, smoke, or toxic chemicals get into the air and make it unclean.

• gases

• liquids

• metals

• plastics

What other reason besides the air pollution could there be that the Swomee Swans left?

• Their habitat had been destroyed, so they couldn't find food, water or shelter.

• They found more food elsewhere.

• They migrated for the season.

• They were chased away by predators.

Is there any evidence that the Once’ler was greedy?

• "But I had to grow bigger, so bigger I got". Shows how he always wants more

• No, he stopped making Thneeds after warnings.

• There is no mention of his greed.

• He gave away all his profits.