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WorksheetsScience
Total questions: 27
Worksheet time: 15mins
_______ inside our bodies do different jobs to keep us alive and healthy.
Organs
Windpipe
Pulse
The pumping of blood around the body is called ______.
Digestion
Breathing
Nervous system
The heart , blood vessels and blood form the ______
Circulatory system
Digestive system
Nervous System
A sickness that stops our bodies working properly is called a _______.
Symptoms
Disease
Cure
Air moves from the nose and down the _______ and into our lungs.
Blood vessels
Windpipe
Brain
Write these words in the correct order to show how energy flows in food chain :
Consumer Producer Sun
(a)
What is the difference between a predator and a prey ?
Predator eats other animals , while the prey is the one being eaten.
Predator is the one being eaten by other animals , and the prey is the one eating other animals
Which animals are the prey of an eagle ? ( more than 1 answer )
Acid rain causes trees to die .
True
False
When coal and oil are burnt , they give off gases like _________ and _______.
Oxygen , Carbon Dioxide
Nitrogen , Carbon Monoxide
Sulfur Dioxide , Nitrogen Oxide
Acid rain is the formed by mixing of sulfuric acid and nitric acid with rain water.
True
False
Is the acid rain responsible for the condition of this statue ?
Yes
No
Acid rain _____ the nutrients from the soil.
increase
washes off
Plants can make many food even with less leaves.
True
False
What are the illness that people can get if they live in polluted areas? ( more than 1 answer )
Asthma
Bronchitis
Fever
Which energy does not pollute the enviromnent? ( more than 1 answer )
Wind
Coal
Oil
Sun
What are the main gases that can be found in the atmosphere ? ( more than 1 answer )
Carbon dioxide
Nitrogen
Oxygen
Sulfur dioxide
To reduce air pollution , we can .....................
Drive more cars
Take public transport
Build more factories
Deforestation is ___________
Planting more trees
Cutting down trees
Which one is not the reason why we cut down trees
To clear land for cities
To build shelter for animals
To make furniture
To burn wood as fuel
The number of animals and plants will _____ if deforestation happens.
Decrease
Increase
What is global warming ?
Earth's temperature drops
Earth's temperature increases
Earth running out of oxygen
We can find medicine in the forest.
True
False
The forest is home to billions of animals and plants.
True
False
Trees take in _____ from air to make food.
Oxygen
Carbon dioxide
Trees can remove carbon dioxide and gives us oxygen.
Yes , this is correct.
No, this is wrong.
Deforestation has ______ effects on the environment.
Positive
Negative
