3-1
What is our galaxy called?
Milky Way
What is the planet which is the center of the solar system?
Sun
What is a full moon?
full circle-shaped moon
How long is one day in Earth?
24 hours
What is a biome?
A biome is a large group of many ecosystems.
What are the 2 requirements of a planet
1. must orbit a star
2. must be big enough to have enough gravity
What planet is categorized as a dwarf planet and why?
Pluto is called the dwarf planet because it is too small and too far from the sun.
What are solar eclipses?
When the moon is between the sun and the earth and the moon covers the sun.
How long is one year on Earth?
365.25 days (365 days is wrong)
What is Biodiversity?
Biodiversity is the variety of organisms in the ecosystems.
Which 5 planets can we see with our naked eye?
Mercury, Venus, Mars, Jupiter, Saturn
What is the fifth planet of the solar system and also called the gas giant?
Jupiter
What is the lunar eclipse?
A lunar eclipse happens when the Earth comes between the Sun and the Moon.
What do you call the Earth orbiting on its axis?
rotation
What are Biotic and Abiotic factors?
Biotic factors: Living factors that can affect an ecosystem(plants and animals).
Abiotic factors: Nonliving factors that can affect an ecosystem(soil, pollution, climate)
What are the two types of satellites?
What type of satellite are moons?
Artificial, natural
natural
Why is earth the right planet to live in for living things?
They have the right atmosphere and has a good temperature.
Why do planets orbit around the Sun? Why does the moon orbit around the earth? Explain Newton's idea.
Gravity causes planets and the moon to orbit.
What do you call the Earth orbiting around the sun?
revolution
What is a habitat?
A habitat is a specific environment that provides an organism with resources anything an organism needs to survive.
After the star dies, what does it become?
black hole, dwarf stars
How many belts are there in the solar system and what is the name of them?
There are 2 belts: Asteroid belt and Kuiper Belt
Why do planets orbit around the Sun? Why does the moon orbit around the earth? Explain Einstein’s idea.
Space is not flat. Gravity causes 3D space. The massive Sun is placed in space, and this causes a curved space.
What altitude is the temperature coolest on the Earth?
From 90° N and S to 45° N and S
What is a tropical rainforest?
A tropical rainforest is a very hot and moist biome
Where it rains all year and doesn’t get dry.