1. Sketch a picture of the components of a galaxy. Write the name of our galaxy as the title of your drawing.2. Investigation3. Ervin is a current 5th grade student. One weekend he went on a trip to the beach with his family. After arriving at the beach, his mother put sunscreen on him to protect him from the Sun. Ervin and his older brother decided to go swimming in the ocean. While swimming his brother pointed out how large the Sun appeared. Later in the day, the Sun was covered up by dark clouds. When the Sun got covered, Ervin decided to stop swimming.At school on Monday, Ervin’s class was learning about the Sun. Ms. Chabert, his teacher, posed 3 questions to the class. Ervin was excited because he was able to use what he learned about the Sun at the beach to answer each question correctly. Use what YOU know about the Sun to answer the questions that Ervin’s teacher posed to the class. Answer in complete sentences please.A. Is the Sun a star?B. Why does the Sun appear large and bright?C. Is the Sun the largest star in the sky?D. What types of energy does the Sun give off?E. How does energy help us on a daily basis?

When sodium and chlorine are mixed:

nothing happens
heat and light are released
heat is absorbed from the environment

As a Sun-sized star dies, it puts on an exquisite show, shedding its outer layers into space. How long does this process last?
Thousands of years
Billions of years
Millions of years
An unknown amount of time

Biodiversity affects the sustainability of an ecosystem by —

A. always increasing competition for limited resources within the ecosystem.
B. allowing the ecosystem to survive many changes.
C. preventing the ecosystem from surviving many changes.
D. always decreasing competition for limited resources within the ecosystem.

Which of the following will most likely be a sustainable environment?

A. An environment with a small variety of plants and animal species
B. An environment with a large variety of plant and animal species
C. An environment with many plant species but with only a few animal species
D. An environment with many animal species but with only a few plant species