Podcast
Questions and Answers
What is one of the primary reasons water is essential for the body?
What is one of the primary reasons water is essential for the body?
- Keeps your lungs moist (correct)
- Helps dissolve air
- Provides energy
- Acts as a waste product
The sun is larger than the Earth and can fit 1,300,000 Earths inside it.
The sun is larger than the Earth and can fit 1,300,000 Earths inside it.
True (A)
Name one way to conserve water when washing dishes.
Name one way to conserve water when washing dishes.
Turn off the tap while washing.
The sun's distance from Earth is _____ million kilometers.
The sun's distance from Earth is _____ million kilometers.
Match the planet with its mnemonic association:
Match the planet with its mnemonic association:
Which of the following is NOT a way to save water?
Which of the following is NOT a way to save water?
Day and night occur due to the Earth's revolution around the Sun.
Day and night occur due to the Earth's revolution around the Sun.
What are asteroids?
What are asteroids?
The Earth revolves around the _____ in a year.
The Earth revolves around the _____ in a year.
Why does life exist on Earth?
Why does life exist on Earth?
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Study Notes
Water
- Water is important for agriculture, bathing, cleaning, drinking, and swimming.
- To conserve water, turn off the tap while brushing teeth, washing hands, and washing dishes.
- Water is essential for the human body because it helps keep lungs moist, protect organs and tissues, dissolve minerals, and carry nutrients and oxygen to the brain.
Solar System
- The Sun, Earth, and Moon are part of the solar system.
- The Sun is a star that gives out heat and light energy.
- The Sun's diameter is 109 times larger than Earth's, meaning 1,300,000 Earths could fit inside the Sun.
- The Sun is 149.6 million kilometers away from Earth.
- There are eight planets in the solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
- An easy way to remember the order of the planets is with the mnemonic "My Very Energetic Mother Just Served Us Noodles."
- Asteroids are small, rocky objects that orbit the Sun.
- Comets are objects made of ice and dust that orbit the Sun.
- Life exists on Earth because of its position from the Sun and the atmosphere surrounding it.
Earth and the Sun
- Each rotation of the Earth takes 24 hours.
- Earth rotates on its axis, causing day and night.
- The Earth's rotation causes the Sun to rise in the East and set in the West.
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