(M)Physical Science Semester I Final Exam 2024

First name

Last name

1. How should long hair in a laboratory be kept?

• tied back
• cut short
• held away from the experiment with one hand
• always neatly groomed

The temperature was approximately 5 degrees Celsius at (a)   .

• 9:00 AM
• 10:00 AM
• 11:00 AM
• 12:00 PM

3. Which two times of day was the temperature the same?

• 7:00 AM and 7:00 PM
• 7:00 AM and 10:00 PM
• 10:00 AM and 7:00 PM
• 10:00 AM and 10:00 PM

4. Which year was the smallest number of pennies found.

• 1988
• 1989
• 1990
• 1991

5. Which gas is the most abundant in the atmosphere?

• carbon dioxide
• nitrogen
• oxygen
• hydrogen

The proportion of oxygen gas in the atmosphere is best represented by (a)   percent.

• 1%
• 4%
• 20%
• 75%

7. According to the graph below, how many worms were 6 cm long?

• 5
• 4
• 3
• 2

8. Which statement about the atomic nucleus is correct?

• The nucleus is made of protons and neutrons and has a negative charge
• The nucleus is made of protons and neutrons and has a positive charge
• The nucleus is made of electrons and has a positive charge
• The nucleus is made of electrons and has a negative charge