Science EOG Prep.

How does sonar detect an object in water?

• by sending sound waves that reflect off the object

• by sending sound waves that are absorbed by the object

• by sending sound waves to detect the composition of the object

• by sending sound waves that measure the object’s temperature

Tags

NGSS.MS-PS4-2

Which causes an object to appear green?

• While reflecting all the other colors in the visible spectrum, it absorbs green.

• While reflecting all the other colors in the visible spectrum, it scatters green.

• While absorbing all the other colors in the visible spectrum, it reflects green.

• While scattering all the other colors in the visible spectrum, it reflects green.

Tags

NGSS.MS-PS4-2

How do foam earplugs affect the sound a person hears?

• The foam reduces the rate of sound vibration.

• The foam increases the rate of sound vibration.

• The foam reduces the amount of energy in the sound vibrations.

• The foam increases the amount of energy in the sound vibrations.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Some earthquakes cause the ground to shake more than others. What factor in an earthquake's waves causes a greater shaking of the ground?

• less energy

• lower frequency

• larger amplitude

• slower speed

Tags

NGSS.MS-PS4-1

Which statement best describes white light after it passes through a prism?

• The white light is a combination of all wavelengths of the visible spectrum.

• The white light is a combination of the wavelengths of red and blue.

• The white light has no electromagnetic energy.

• The white light contains ultraviolet energy.

Tags

NGSS.MS-PS4-2

Why are humans unable to hear ultrasound waves?

• Ultrasound waves do not cause matter to vibrate.

• Ultrasound waves do not have energy when traveling.

• Ultrasound waves have a higher frequency than humans can hear.

• Ultrasound waves have a larger amplitude than humans can hear.

Sam found two pieces of pure silver on two different continents and melted them. Why did the two pieces of pure silver have the same melting point?

• Silver is a metal with high conductivity.

• The melting point of all metals is the same.

• Silver is composed of the same types of atoms.

• The melting point of all natural minerals is the same.

What happens to steam during condensation?

• It loses energy and changes to a liquid.

• It loses energy and changes to a gas.

• It gains energy and changes to a liquid.

• It gains energy and changes to a gas.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

What is the best way to determine if a sample is pure gold?

• Compare the color of the sample with a sample of pure gold.

• Compare the luster of the sample with a sample of pure gold.

• Compare the volume of the sample with a sample of pure gold.

• Compare the melting point of the sample with a sample of pure gold.

Two pieces of copper wire are rolled into a coil to make a bracelet. Which statement describes the copper wire?

• Both copper wires are different because they came from different sources.

• Both copper wires are the same because they were able to bend.

• Both copper wires are made of the same types of atoms.

• Both copper wires are made of different types of atoms.

Tags

NGSS.MS-PS1-1