Question

not all sources are created equal
name:
class:
date:
find a credible* source to answer the following question:
*credible: believable; factual; accurate
grade 7
how many galaxies exist in the universe?
source:
answer to the question:
grade 8
is the coelocanth extinct?
source:
answer to the question:
grade 9
is the narwhal a real or fictional creature?
source:
answer to the question:

Explanation:

1. For the Grade 7 question: Credible astronomical sources (like NASA, peer-reviewed astronomy journals) state the estimated number of galaxies in the observable universe is around 2 trillion, which matches the provided answer.
2. For the Grade 8 question: Credible marine biology sources (like IUCN Red List, marine research institutions) confirm the coelacanth is not extinct; living populations were rediscovered in 1938 and are known today.
3. For the Grade 9 question: Credible zoology and Arctic research sources (like NOAA, peer-reviewed wildlife studies) confirm the narwhal is a real toothed whale species native to Arctic waters.

Answer:

1. Grade 7:

• Source: NASA (or peer-reviewed astronomy journal)
• Answer to the question: ~2 trillion

1. Grade 8:

• Source: IUCN Red List (or marine biology research institute)
• Answer to the question: No, the coelacanth is not extinct.

1. Grade 9:

• Source: NOAA (or peer-reviewed Arctic wildlife study)
• Answer to the question: The narwhal is a real creature.