SCIENCE STATE TEST PRACTICE 8TH GRADE PHYSICAL SCIENCE

What Is a "Mechanical Wave"?

• A mechanical wave is a wave that does not require a medium to propagate.
• A mechanical wave is an oscillation of matter that transfers energy through a medium.
• A mechanical wave is a form of electromagnetic radiation.
• A mechanical wave is a type of light wave.

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Refraction or Reflection

(A pencil looks likes is bending in a cup of water)

• Reflection
• Refraction

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What's A "Prism" In Science Terms?

• A prism is a shape that allows an a lot of colors separate and reflect off into the sun or moon causing colors to show. Rain will make an rainbow show (Depending on sunlight)

• a glass or other transparent object in prism form, especially one that is triangular with refracting surfaces at an acute angle with each other and that separates white light into a spectrum of colors.

• A prism is a square class that separates white light into a spectrum of colors.

• A prism is a 2D Triangle tool that allows you to see UV light.

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What's An Electromagnetic Spectrum?

• The electromagnetic spectrum is a term used in cooking recipes.
• The electromagnetic spectrum refers to a color wheel in the science world

• The electromagnetic spectrum is the range of all types of electromagnetic radiation.
• The electromagnetic spectrum is a type of weather phenomenon.

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Electrons ____ Charge.

• Negative
• Neutral
• Positive

Where are elements placed?

• Periodic table
• Pirodic Table

• Pie Chart

• Under the sea

Which is not a from of Kinetic energy?

• Thermal energy
• Potential energy
• Mechanical energy
• Chemical energy

50 <- -> 50

How is this object going to move with this force?

• The object will move to the left
• The object will move upwards
• The object will not move.
• The object will move faster

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Crest VS Through

• Crest is the peak of a wave, while through is the valley between two waves.
• Crest is the bottom of a wave, while through is the top of a wave.
• Crest is the valley between two waves, while through is the peak of a wave.
• Crest is the highest point of a wave, while through is the middle point of a wave.

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What Is Radiation?

• Radiation is the process of converting matter into energy.
• Radiation is a type of plant species found in tropical regions.
• Radiation is a term used to describe the process of photosynthesis in plants.
• Radiation is the emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles that cause ionization.

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