Earth
What is the shape of the Earth? Who proved it ?
The Earth is round like a ball. It is slightly flat at the top and bottom. Aristotle proved that Earth is round.
Name the eight planets in order from the Sun.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.
Give three examples of natural resources that we use in our daily lives.
Air, water and sunlight are natural resources.
What is the difference between a renewable resource, and a non-renewable resource?
A renewable resource can be replaced naturally in a short time. A non-renewable resource takes a very long time to form and can get finished.
Name two non-renewable resources.
Coal and petroleum are non-renewable resources.
Why is the Earth called a livable planet?
Earth is a livable planet because it has air, water, land and a suitable temperature for living things.
Who landed and walked on the Moon for the first time ?
Neil Armstrong was the first person to walk on the Moon.
How did the movement and position of the Sun helped ancient people ?
Ancient people observed the Sun to understand time, direction and seasons.
What is a renewable resource?
A renewable resource is a resource that can be used again and again because nature can replace it.
Why should we use non-renewable resources carefully?
We should use them carefully because they take a very long time to form and can get finished.
Why did ancient people observe and group stars into Nakshatras?
Ancient people grouped stars into Nakshatras to help them understand the sky, seasons and time.
Why is Earth a blue planet ?
Earth is called the Blue Planet because most of its surface is covered with water.(around 71%)
How can we harness solar energy
We can use solar panels to capture sunlight and change it into useful energy and electricity.
Name two renewable resources.
Sunlight and wind are renewable resources.
How are non renewable resources formed
Non-renewable resources are formed naturally over millions of years.
How does Moon help the Earth
The Moon helps to create tides in the oceans and makes our night sky bright.
Name the hottest and the coldest planet
Venus is the hottest planet, and Uranus is the coldest planet.
If sun was a character, what qualities it would have and why ?
The Sun would be kind and helpful because it gives us light, heat and energy. It also helps plants grow.
Why are renewable resources important for the environment?
Renewable resources are important because they cause less pollution and help us protect the environment.
Sona has left the room with lights and fans on. What should be her action and why ?
Sona should switch off the lights and fans because nobody is using them. This will save electricity and natural resources.
If there is no Sun, how will it affect plants and animals.
Without the Sun, plants will not be able to make their food. Animals will not get enough food, and the Earth will become cold and dark.
Name the Gas giants in our solar system
The Gas Giants are Jupiter, Saturn, Uranus and Neptune.
Explain why Sun is the center of solar system
The Sun is at the centre of the Solar System. All the planets move around the Sun in their own paths called orbits.
How does using solar energy help the environment?
Solar energy uses sunlight and causes less pollution. It also helps us save other natural resources.
Why is saving electricity important? Explain how it helps the environment.
Saving electricity is important because producing electricity often uses natural resources. When we save electricity, we save resources, reduce pollution and protect the environment