WorksheetsReporting Period 2 Review
Total questions: 15
Worksheet time: 13mins
Which of the following is an element?
CO2
HNO3
H2SO4
He2
How many total atoms in the chemical formula H2SO4?
8
7
3
6
How many oxygen atoms are present in the chemical formula MgSO4?
1
2
3
4
How many atoms of Carbon are present in the chemical formula C6H12O6 ?
3
24
6
12
All of the following are evidence of a CHEMICAL CHANGE, EXCEPT:
Formation of bubbles
Color change
Water boiling
Formation of a precipitate
Which of the following is an example of a PHYSICAL CHANGE?
Burning paper
Cutting a piece of wood
Iron rusting
Formation of bubbles
What is the force that keeps all of the planets orbiting around the sun?
Gravity
Magnetism
Friction
Electricity
Star formation begins where?
Asteroid belt
Nebula
Main Sequence
Comets
Student 1
Student 2
Student 3
Student 4
The Milky Way Galaxy is described as a disk of stars orbiting a central point on the disk. Which of these best explains why people on Earth cannot see the entire shape of the Milky Way Galaxy?
Earth is a part of this galaxy.
Many more stars exist outside the galaxy.
The stars in the center of the galaxy are extremely small.
The center of the galaxy consists of a dense cluster of stars.
Which area represents the supergiant stars?
Area Z
Area P
Area X
Area M
What type of stars have high surface temperature and low luminosity?
White Dwarfs
Red Dwarfs
Red Giants
Blue Giants
According to the HR Diagram, what type of star is our sun?
White Dwarf
Main Sequence
Red Supergiant
Blue Giant
Our sun is a medium sized star that emits electromagnetic waves with a wavelength of 10-8 meters. What type of waves does the sun emit?
Gamma Rays
X-Rays
Infrared
Ultraviolet
What section of the electromagnetic spectrum can be seen by human eyes?
Visible Light
Gamma Rays
X-Rays
Radio Waves
