Celestial Bodies
All stars form in _s------ n------_, which are huge clouds of gas and dust.
stellar nebulae
Which planet is the hottest / has the highest surface temperature due to its atmosphere of 96.5% CO2 trapping heat causing the greenhouse effect?
Venus
What two languages are astronauts required to know?
Russian and English
How old is the Earth?
4.54 billion years old (+/- 50 million years)
Correctly spell the words in English on the board:
1. pezzi irregolari / frammenti
2. terra
3. ghiaccio
1. chunks
2. dirt
3. ice
The sun is an example of an _______ star, which will gradually cool down and stop glowing as it goes through the planetary nebula and white dwarf phases, finally becoming a black dwarf.
average
Which planet has days that are longer than years and only 38% gravity?
Mercury
In which environment do astronauts practice using a spacesuit?
underwater / the neutral buoyancy lab
What are the two types of dating methods used to determine the age of rocks and fossils?
Which one is more specific?
Relative dating & radioactive dating
Radioactive dating is more specific.
Correctly spell the words in English on the board:
1. risplendere
2. detriti
3. brillare
4. percorso
5. esaurirsi
1. shine
2. debris
3. glow
4. path
5. to run out
Before becoming a planetary nebula, an average star first expands, cools, and changes color to become a _________.
Instead, if it is a massive star, it expands, cools, and changes color to become a ___________ before exploding into a __________.
red giant
red supergiant
supernova
Which two planets have the highest number of moons?
Why is it comfortable to sleep in space without a mattress or pillow?
Without gravity, your body can completely relax.
According to some theories, ________ provided the energy needed for molecules to react causing life to begin.
According to some theories, the first molecule of life began on ______ as it concentrated the compounds together and helped organize them into patters similar to our genes now.
lightning
clay
Correctly spell the words in English on the board:
1. nuvole
2. polvere
3. fonte
4. determinare
5. reale
6. secondo
7. fulmine
1. clouds
2. dust
3. source
4. determine
5. actual
6. according to
7. lightning
A _______ star has an energetic and violent end, exploding into a supernova.
After the explosion, a very dense ___________ or a _____________ remains depending on the original size of the star.
massive
neutron star
black hole
1. Why is Neptune blue?
2. Why is Mars red?
1. The methane in the atmosphere absorbs red light making the planet appear blue.
2. The planet is rich in iron.
What are "snarls" and "snags"?
tangles / nodi
Some theories suggest that life began underwater where hydrothermal vents spewed key molecules rich in ________.
Other theories claim that _____ protected fragile organic compounds from ultraviolet ______ and destruction from cosmic impacts.
hydrogen
ice, light
Correctly spell the words in English on the board:
1. argilla
2. composti
3. sequenze
4. spacchi
5. emettere
6. sostenere / affermare
7. sopravvivere
8. permettere
9. altrove
1. clay
2. compounds
3. patterns
4. vents
5. spew
6. claim
7. survive
8. allow
9. elsewhere
1. What element powers the nuclear reactions which provide energy causing the star to shine brightly?
2. What are comets made of?
3. What is the difference between as asteroid and a meteor?
1. Hydrogen
2. chunks of dirt and ice
3. Asteroids are in space and mostly found in a ring between Mars & Jupiter.
Meteors are small asteroids that have entered the earth's atmosphere and burn and glow in the sky as they fall to the Earth
1. Which two planets have giant storms called "spots"?
2. What is particular about the years on Uranus?
1. Jupiter and Neptune
2. 42 years of sunlight & 42 years of darkness
1. Why are tortillas handy in space?
2. What is the most important tool in the kitchen on the space station?
1. They don't make crumbs.
2. Scissors
According to some theories, life did not being on Earth, but was brought here from elsewhere in space by _______ or _______, for example. This is called __________.
asteroid, comet
panspermia
Write the correct English word on the board:
1. A person who installs and maintains electrical equipment.
2. A full-sized model built for studying or testing.
3. Pressing something with force / power / effort.
4. A device used to convert electricity into light. It is usually round in shape and made of glass.
5. A person who installs and repairs pipes and their systems used for water supply and/or heating.
1. Electrician
2. mock-up
3. squeezing
4. lightbulb
5. plumber