Science

Living things need non-living things like food, water, air to survive on Earth. But the human activities have been largely responsible for increased pollution of all natural resources like water, air, weather etc. Can you mention a few types of pollution caused by human beings?

• Air pollution

• Water pollution

• Land pollution

• All of option 1, 2, 3

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-5

A student takes a balloon and fills it with air. What he will notice?

• He will notice that mass of the balloon remains the same.

• He will notice that mass of the balloon is decreased.

• He will notice that mass of the balloon is decreased by half of the initial mass of the balloon.

• He will notice that the mass of the balloon is increased.

Tags

NGSS.5-PS1-2

Water helps to regulate body temperature.

• True

• False

Tags

NGSS.5-PS3-1

COVID-19 is an infectious disease caused by a newly discovered ____________.

• Virus

• Fungi

• Mushroom

• Bacteria

Which is the largest organ in the human body.

• Lungs

• Skin

• Brain

• Kidneys

How planets are there in our solar system?

• 6

• 7

• 8

• 4

Tags

NGSS.MS-ESS1-3

Eating a balanced diet and getting regular exercise are important for a healthy lifestyle. The following are the benefits we can gain:

• Prevent excessive weight gain

• Maintain mental health

• Improves sleep

• All the above

People who have a habit of using correct posture are less likely to experience related back and neck pain. It also improves ______ flow in our body.

• Liquid

• Water

• Air

• Blood

Why are plants important ?

• Plants absorb carbondioxide and give us oxygen

• It gives us food

• It helps in making our shelter

• All the above.

Tags

NGSS.5-LS1-1

NGSS.5-LS2-1

This is the largest living animal on Earth.

• Elelphant

• Blue Whale

• Humans

• None of the above