GED Physical Science pt2

The following chart indicates the different boiling points of several different organic compounds.

Which of the following statements is true?

• a. Group 16 has the lowest average boiling point.

• b. Compounds H2S and SIH4 have a similar boiling point.

• c. Group 14 is most like Group 16 in terms of boiling points.

• d. Compounds PH3 and HCl have a similar boiling point.

Tags

NGSS.MS-PS1-2

According to the below chart, which of the following inferences can be made?

• a. Matter with particles that are far apart can be compressed.

• b. Matter with particles that are far apart can conduct electricity.

• c. Matter with particles that are far apart have a lower amount of movement.

• d. All of the above.

Tags

NGSS.MS-PS1-4

The following diagram represents the electromagnetic spectrum, which displays the range of energy from low energy, low-frequency waves to high energy, high-frequency waves in nanometers, and Hertz.

Which of the following statements is true?

• a. As the wave frequency increase, humans are better able to see the waves.

• b. As energy increases, Hertz values decrease.

• c. The color blue has a higher Hertz value than the color red.

• d. All of the above.

Tags

NGSS.MS-PS4-1

Which two compounds on the chart reflect the most extreme difference in boiling points?

• a. H2O and CH4

• b. HF and H2O

• c. CH4 and SnH4

• d. PH3 and HCl

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

A person wants to make a tape recording of the sounds of daily surroundings. The tape will include leaves rustling in a summer breeze, whispered conversation, printers and copy machines in a business office, and sounds of a busy downtown area during lunch hour.

Through what minimum decibel range must the recording equipment be sensitive?

• A)0–50

• B)0–120

• C)10–80

• D)10–100

• E)20–90

A scientist could use the chart to obtain all EXCEPT which of the following information?

• A)the relationship of a decibel to a bel

• B)how much louder 40 decibels is than 20 decibels

• C)the sound level associated with different settings

• D)the intensity level at which sounds become uncomfortable

• E)how many times greater a sound at 9 bels is than a sound at 0 decibels

If water, cooking oil, and corn syrup are very carefully poured into a glass, one at a time, three distinct layers will form, as shown in the diagram.

What will happen if a drop of corn syrup is added to the glass containing the three liquid layers of water, oil, and corn syrup?

• A)The drop of corn syrup will float on the top layer.

• B)The drop will pass through the oil and water and mix with the corn-syrup layer.

• C)The drop will be trapped between the water and oil layers.

• D)The drop will mix with the oil layer.

• E)The drop will sink to the very bottom of the glass.

Tags

NGSS.MS-PS1-2

Two cars, A and B, were tested to determine how they accelerate in second gear. The results are shown below.

• A)engine RPM when the test ended

• B)engine RPM at zero seconds

• C)how long it took each engine to reach 6,000 RPM after the test started

• D)final speed of each car

• E)speed of each car at four seconds

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

NGSS.MS-PS3-1

Five physical properties of waves are defined below.

A. amplitude—the height of a wave, directly related to the energy carried by that wave
B. frequency—the number of waves that pass a point each second
C. speed—how fast a light wave moves
D. vibration—repeated movement back and forth or up and down
E. wavelength—the distance from one wave crest to the next

As a dimmer switch is turned, the light in a lamp becomes brighter. How are the light waves emitted by the light changing?

They are increasing in

• A)amplitude

• B)frequency

• C)speed

• D)vibration

• E)wavelength

Tags

NGSS.MS-PS4-1

What property of a light wave determines the time it takes sunlight to travel the 93 million miles from the Sun to Earth?

• A)amplitude

• B)frequency

• C)speed

• D)vibration

• E)wavelength