8th Grade PSSA Review

What type of reaction transforms sugar and oxygen into carbon dioxide and water?

• Physical, only phases of matter change

• physical, a new substance is formed

• chemical, only phases of matter change

• chemical, a new substance is formed

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Chlorine is a poisonous green gas.  Sodium is a soft silver metal which explodes in water.  Together they form salt which is a white brittle solid used by animals.  Which of the following is the best term for salt? 

• mixture

• chemical bond

• sollution

• colloid

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What characteristics allow metal to be a good material for many parts in a car?

• It is brittle, soft, and a good insulator

• It is strong, brittle, and biotic

• It is strong, malleable, and ductile

• It is flexible, a good insulator, and lightweight

As a person is climbing a rope very fast, the force applied on the rope is ____ 

• Greater than the gravity's pull

• Equal to the gravity's pull

• Less than the gravity's pull

• Less than the gravitational pull

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Which of the following is the equation for force?

• distance ÷ time

• mass x acceleration

• mass x gravity x height

• mass x velocity

Tags

NGSS.HS-PS2-1

Which of the following is the equation for gravitational potential energy?

• ½ mass x velocity2

• mass x acceleration

• mass x gravity x height

• mass x velocity

Tags

NGSS.MS-PS3-2

Which of the following materials would best be used as a thermal insulator?

• Wood

• Iron

• Copper

• Aluminum

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-3

Which of the following waves does not require a medium to travel through?

• Transverse

• Light

• Water

• Sound

What type of waves are x-rays?

• Transverse

• Mechanical

• Sonar

• Electromagnetic

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

When a pendulum swings, there is a constant exchange between _____ energy and _____ energy.

• Sound; kinetic

• potential; light

• kinetic; potential

• electric; potential

Tags

NGSS.MS-PS3-4