SCIENCE 8 (Online Activity #1)

It is a vast, saucer-shaped nebula was swirling slowly in space when suddenly, it cooled and shrank, causing it to spin faster in space. What theory is this?

• Big Bang Theory

• Nebular Hypothesis

• Planetesimal Theory

• Companion Star Theory

It states that the Sun once had a companion star which exploded when it collided with the Sun. What theory is it?

• Big Bang Theory

• Nebular Hypothesis

• Planetesimal Theory

• Companion Star Theory

It explains how the universe was filled with different materials that developed into galaxies or star systems. What theory is it?

• Big Bang Theory

• Nebular Hypothesis

• Planetesimal Theory

• Companion Star Theory

It refers to the Sun itself and every celestial object that revolves around it.

It is the star around which the Earth orbits.

It is a celestial body moving in an elliptical orbit around a star.

It is a celestial body resembling a small planet but lacking certain technical criteria that are required for it to be classed as such.

It explains what keeps the celestial objects, particularly the planets, in orbit around the Sun.

It is the force of attraction exerted by the Sun to the planets pulling them toward it.

It is about the formation of planets from cosmic dust grains that collide and stick together. What theory is this?

• Big Bang Theory

• Nebular Hypothesis

• Planetesimal Theory

• Companion Star Theory