Physical Science Semester I Final Exam 2024

Front

How much protection do personal eyeglasses provide?

Back

none of the above

Front

Which time of the day was the temperature approximately 5 degree Celsius? Options: 9:00 AM, 10:00 AM, 11:00 AM, 12:00 PM

Back

10:00 AM

Front

Which two years did the sample contain the same number of pennies? Options: 1988 and 1992, 1988 and 1991, 1994 and 1997, 1994 and 1998

Back

1994 and 1997

Front

Which year was the smallest number of pennies found? 1988, 1989, 1990, 1991

Back

1991

Front

What percentage best represents the proportion of oxygen gas in the atmosphere?

Back

20%

Front

Which type of graph should be used to show the average daily temperature of Gravette? Options: line, pie, bar, scatter plot

Back

bar

Front

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

Back

4

Front

Which statement about the atomic nucleus is correct? Options: 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

Back

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

Front

What is the charge of an electron?

Back

-1

Front

Why do atoms have no electric (neutral) charge?

Back

Atoms have an equal number of electrons and protons.