Science Texas

In order to finish one complete revolution, Earth takes ... days.

• 1

• 365,25

• 24

• 366

Tags

NGSS.MS-ESS1-1

Limestone is a sedimentary rock and marble is a metamorphic rock. Even though limestone and marble have the same chemical makeup, they are classified as different rocks because they

• (a) were formed from different fossils

• (b) took different amounts of time to form

• (c) formed at different times

• (d) were formed by different methods

Tags

NGSS.MS-ESS2-1

All rocks are composed of ____________________.

• fossils

• cells

• metals

• minerals

Which two processes could result in the formation of high mountains with well-rounded peaks?

• (a) volcanic eruptions and global warming

• (b) earthquakes and tidal activity

• (c) collision of crustal plates and erosion

• (d) production of greenhouse gases and weathering

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Moving water in a river is considered a renewable resource because it

• carries dissolved oxygen.

• easily erodes sediments.

• is made of natural gas.

• can be recycled by nature over time.

Tags

NGSS.MS-ESS2-4

In 1687, Isaac Newton published a book discussing the three laws of motion that he had discovered. The third law of motion is known as the law of action-reaction. Which of the following situations are examples of Newton's third law of motion? Select TWO correct answers.

• A person pushes on the water with a paddle while the paddle pushes back on the person's hand.

  
  

• A baseball bat pushes on a ball while the ball pushes back on the baseball bat.

  
  

• A gymnast pushes down on a balance beam with her feet and the balance beam pushes down on the ground.

  
  

• A person pushes down on a trampoline and the trampoline pushes back on the person.

  
  

• A skateboarder pushes on the skateboard while the wheels of the skateboard push on the ground.

  
  

Tags

NGSS.MS-PS2-1

Which of the following best illustrates an application of Newton's First Law (also called the Law of Inertia)?

• A passenger not wearing a seatbelt is ejected from an automobile during a severe crash.

  
  

• Dinner plates remain on a table when a slick tablecloth is pulled out from underneath them.

  
  

• An ice hockey puck continues sliding across the relatively frictionless ice until it comes into contact with a wall or a player’s stick.

  
  

• All of these are examples of Newton's First Law.

Jonas and his family are moving to another part of the city. As Jonas, his brother, and his Dad were driving one of the trucks filled with furniture to their new home, Jonas noticed that the truck seemed to take longer to stop now that it was heavier with the furniture. Which Newton's Law explains why this happens?

• Newton's First Law

• Newton's Second Law

• Newton's Third Law

• Newton's Laws do not explain why this happens.

Tags

NGSS.MS-PS2-2

Stephanie is in volleyball practices and she notices something interesting about the effect that spiking the ball has on her hand. She notices that the harder she hits the ball, the more that her hand hurts afterward. Which Newton's Law explains why this happens?

• Newton's First Law

• Newton's Second Law

• Newton's Third Law

• Newton's Laws do not explain why this happens

Tags

NGSS.HS-PS2-1

Which of the following scenarios are examples of an action-reaction pair of forces? Select TWO correct answers.

• a swimmer pushing on the water while the water pushes back on the swimmer

  
  

• a diver pushing down on the diving board while the diving board pushes down on the spring

  
  

• a tennis racquet pushing on a ball while the ball pushes back on the tennis racquet

  
  

• a boy climbing up a ladder and holding onto the rails while climbing

  
  

Tags

NGSS.MS-PS2-1