Instructions
Read each question carefully. Answer all questions to the best of your ability. For multiple-choice questions, circle the best answer. For other questions, write your answers in the space provided.
Part A: Objective Questions (15 Questions)
Circle the correct answer for questions 1-5.
- Which of these is a sign of an unhealthy environment?
- A) Green trees and clean rivers
- B) Birds singing in the park
- C) Trash on the streets and black smoke from factories
- Moving air is called:
- A) Water
- B) Wind
- C) Soil
- What do plants release into the air that helps us breathe?
- A) Oxygen
- B) Smoke
- C) Dust
- Fertile soil is important because it:
- A) Is good for building roads
- B) Helps plants grow strong and healthy
- C) Is usually very dry and hard
- Which of these actions helps prevent water pollution?
- A) Throwing old batteries in the lake
- B) Pouring oil down the drain
- C) Properly disposing of chemical waste
For questions 6-10, write 'True' or 'False'.
- A gentle wind is called a breeze. __________
- All water on Earth is safe for drinking. __________
- Planting more trees can help reduce air pollution. __________
- A strong wind, like a storm, has weak force. __________
- A healthy environment has dirty water and very few plants. __________
For questions 11-15, fill in the blanks with the correct word from the box below.
conserve pollution precious force weather
- The strength of the wind is called its __________.
- Making the environment dirty with harmful things is called __________.
- The direction and speed of the wind can affect the __________.
- Water is __________ because all living things need it to survive.
- When we use water carefully and do not waste it, we __________ water.
Part B: Subjective Questions (25 Questions)
Write your answers in the spaces provided.
- List two things that make the air around us dirty.
- __________________________________________________
- __________________________________________________
- Why is a healthy environment important for animals?
- __________________________________________________
- What is one way you can help keep your school playground clean?
- __________________________________________________
- Look at the two scenes below. Which one shows a healthy environment? Why?
Scene A
^ ^ / \
/ \ / \ / \
/ \ / \ /_____\
Factory with smoke ( )
[SMOKE] CCCCC SUN
|||
~~~~~~~~~~~~~~~
Dirty River
~~~~~~~~~~~~~~~
Scene B
^ ^ / \
/ \ / \ / \
/ \ / \ /_____\
Mountains Tree ( )
SUN
~~~~~~~~~~~~~~~
Clean River
~~~~~~~~~~~~~~~
Answer: ___________________________________________________________________
Why?: ____________________________________________________________________
- Name two uses of wind.
- ________________________
- ________________________
- A boat with a large sail moves faster on a windy day. Does this show that wind has force or that wind has color?
- __________________________________________________
- Why should you not waste water when you brush your teeth?
- __________________________________________________
- What makes soil "fertile"?
- __________________________________________________
- Imagine you see a factory dumping dark liquid into a river. What kind of pollution is this?
- __________________________________________________
- How do strong winds (like in a storm) affect trees and buildings?
- __________________________________________________
- What are two properties of air? (Hint: Can you see it? Can you feel it?)
- 1. ______________________
- 2. ______________________
- Draw a simple line drawing of a kite flying high. What is needed to make the kite fly?
-
(Draw here)
- What is needed? _______________________________
- List three things you can recycle to reduce pollution.
- _________________, _________________, _________________
- What would happen to fish if all the rivers became polluted?
- __________________________________________________
- Your friend is about to throw a plastic bottle on the ground. What is one helpful thing you could say to them?
- __________________________________________________
- Why is it healthier to play in a park with lots of trees than near a busy road?
- __________________________________________________
- Look at the drawing below. Circle the object that uses wind to generate electricity.
/ \
/ \ | O |
/_____\ --|###|--
Tree |###|
|
Wind Turbine
- If the wind is blowing from the West, which direction will a flag on a pole fly towards?
- __________________________________________________
- What is one major difference between a breeze and a gale?
- __________________________________________________
- How does soil help us get food?
- __________________________________________________
- Name one way to conserve (save) water at home.
- __________________________________________________
- Why do we call water "precious"?
- __________________________________________________
- Look at the list below. Put a check mark (✓) next to things that describe a HEALTHY environment.
- ___ Black smoke from chimneys
- ___ Clear, clean water in lakes
- ___ Lots of green plants and flowers
- ___ Garbage piled up on the sidewalk
- What happens to air when it gets polluted with dust and smoke?
- __________________________________________________
- If you have two plants, and you put one in sandy, rocky soil and the other in dark, fertile soil, which plant will likely grow better and why?
- ___________________________________________________________________
- ___________________________________________________________________
Answer Key
Part A: Objective Questions
- C) Trash on the streets and black smoke from factories
- B) Wind
- A) Oxygen
- B) Helps plants grow strong and healthy
- C) Properly disposing of chemical waste
- True
- False
- True
- False
- False
- force
- pollution
- weather
- precious
- conserve
Part B: Subjective Questions (Sample Answers)
- Smoke from cars/factories; Dust; Burning trash.
- It provides them with clean water to drink, clean air to breathe, and a safe place to live and find food.
- Throw my trash in the bin; Pick up any litter I see.
- Answer: Scene B.
Why?: It has a clean river, no smoke, and looks natural and healthy for living things. Scene A is polluted. - Flying kites; Sailing boats; Drying clothes; Generating electricity (wind turbines).
- It shows that wind has force.
- To conserve (save) water, as it is a precious resource and we should not waste it.
- It contains nutrients and minerals that plants need to grow.
- Water pollution.
- They can break branches off trees or even knock them over. They can damage roofs or windows on buildings.
- 1. We cannot see air (it is invisible). 2. We can feel air (especially when it moves as wind).
- (Student should draw a kite). What is needed?: Wind.
- Plastic bottles, paper, glass jars, aluminum cans.
- The fish could get sick and die because the water would be unsafe for them to live in.
- "Hey, let's find a recycling bin for that!" or "Please don't throw that on the ground, it makes our environment dirty."
- The air in the park is cleaner because trees produce oxygen and absorb pollutants. The air near a busy road is full of harmful smoke from cars.
- The student should circle the Wind Turbine.
- The East.
- A breeze is a gentle/light wind, while a gale is a very strong/powerful wind.
- We grow our food (like vegetables and fruits) in fertile soil.
- Taking shorter showers; Turning off the tap while brushing teeth; Fixing leaky faucets.
- Because all living things (plants, animals, and humans) need it to survive, and there is a limited amount of fresh, clean water.
- ___ Black smoke from chimneys
✓ Clear, clean water in lakes
✓ Lots of green plants and flowers
___ Garbage piled up on the sidewalk - It becomes dirty and unhealthy to breathe.
- The plant in the dark, fertile soil will grow better. This is because fertile soil has the nutrients the plant needs to be healthy, while sandy, rocky soil does not.