CLASSWORK (NOLEJ SVET.)-7 th graders (1st topic)

Fill in the missing word

The (a)   marks the beginning of the universe, but its nature and details remain partially understood and debated in the scientific community.

Edwin Hubble discovered that distant galaxies are moving away from the Milky Way, indicating that the universe is expanding.

• TRUE

• FALSE

What do telescopes allow cosmologists to do?

• • Observe distant galaxies in real-time

• • Measure the speed of light in space

• • Predict future cosmic events

• • Look back in time

The Big Bang did not occur at a single central point.

• TRUE

• FALSE

Who proposed the idea of the Big Bang?

• • George Lemaître

• • Albert Einstein

• • Stephen Hawking

• • Isaac Newton

What event marks the beginning of the universe?

• • Cosmic Expansion

• • Big Bang

• • Galactic Formation

• • Stellar Birth

What does homogeneous mean in the context of the universe?

• • Identical only at the center

• • Same in all directions

• • Uniform only in certain areas

• • Different in some directions

Telescopes allow astronomers to look back in time to study the universe's history.

• FALSE

• TRUE

Unlike a traditional explosion, the Big Bang did not have a (a)   or sound, as it occurred simultaneously throughout the universe. (2 words)

(a)   's discovery of redshift supported the Big Bang theory, while George Lemaître proposed that the universe originated from a singular point known as the primeval atom. (name, surname)