Our Dynamic Earth Unit 3 Test Review

As the students moved the rope, they noticed that they could make the waves look like the drawing below.

Compared to Wavelength A, Wavelength B is —

• shorter

• longer

• the same length

• not enough information

Tags

NGSS.MS-PS4-1

Jumping Rope 

If you flick a rope or string, you can create waves. Two students were playing with a rope during recess. They began to move the rope in an up and down movement. One student commented that it looked like a wave that they had been studying about in their science class. They noticed that as they moved the rope faster or slower or with more energy, they could change the pattern of the wave in the rope.

When the amplitude of the rope is larger, there is_____energy , When the amplitude of the rope gets smaller, there is _______ energy.

• more, more

• less, less

• less, more

• more, less

Tags

NGSS.MS-PS4-1

Waves on a Post

A class was investigating waves and the movements that they make. A teacher attached a rope to a post (see diagram below) and the students took turns moving the rope up and down to create a model of a wave.. The students all used different amounts of energy when they moved the rope.

A piece of tape was added to the middle of the rope. The students noticed that when student 2 moved the rope, the tape appeared to move a greater distance up and down than the tape did for student 1. This means that student 2 had —

• 
  Less wavelength

• Less amplitude

• 
  More amplitude

• They were not moving the rope

Tags

NGSS.MS-PS4-1

Beach Trip

Waves at a beach are caused by wind. As wind moves across the surface of the water, it creates waves.

Students go on a trip to the beach to explore the motion of waves. They go on three different days, so they can compare the amplitude and wavelengths of the different waves each day. They take their science journals and draw pictures of what they see  Below are the diagrams of the waves from each day.

On day 2, the amplitude was _____ than day 1. The wavelength on day 2 was ______ than day 3.

• lower, shorter

• higher, shorter

• higher, longer

Tags

NGSS.MS-PS4-1

Beach Trip

Waves at a beach are caused by wind. As wind moves across the surface of the water, it creates waves.

Students go on a trip to the beach to explore the motion of waves. They go on three different days, so they can compare the amplitude and wavelengths of the different waves each day. They take their science journals and draw pictures of what they see  Below are the diagrams of the waves from each day.

Which day had the shortest wavelength?

• Day 1

• Day 2

• Day 3

• they are all the same.

Tags

NGSS.MS-PS4-1

Earthquake Proof 

Have you ever been in an earthquake? Earthquakes feel like a shaking or rolling of the earth’s surface. If you live on the West Coast, you probably have felt one, yet it can also happen in other areas of the country and the world. Earthquakes are caused by a sudden movement of the earth’s crust. This is usually at a fault zone. People need to learn how to stay safe during earthquakes. Scientists are developing tools to better predict them. Also, engineers are learning how to design buildings that can survive earthquakes.

One student (design A) and another student (design B) were arguing about which house would survive an earthquake. Based on your knowledge, choose the correct answer.

• Student B’s design would withstand an earthquake because it has a rain shield.

• Student A’s design would withstand an earthquake because it is multi-level.

  
  

• Student A’s design would withstand an earthquake because it has supports underground.

• Student B’s design would withstand an earthquake because it is one level.

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

Volcanoes Erupt!

A volcano is an opening in the earth's surface where magma, gas and ash can escape. It is usually a mountain. Volcanoes are very dangerous when they erupt. For example, Mt. St. Helens is a volcano in Washington State. In 1980, it had a major eruption. Forests, buildings, homes, roads, and railways were destroyed. Some people lost their lives. If a volcano erupts, there are many things people can do to stay safe. One is to listen to local news stations.

John has learned what to do if there is a volcano. He tells his friend to seal all_________ in his home to help keep the ash out.

• windows

• furnitures

• appliances

• faucets

Tags

NGSS.MS-ESS3-2

Topographic Map 

A teacher gave their students some play dough and paper to make a landform using this topographic map. This is a topographic map that shows the physical features of an area of land. These features may include mountains, rivers, lakes, and valleys. Features that are man-made such as roads and cities are not included in a topographical map. These are used to read elevation. Topographic maps show us different patterns that we can see on the earth’s surface. The students spend a lot of time learning about reading maps and landforms.  

Why are the lines closer together on Baker Hill than Able Hill?

• It is higher.

• It is steeper.

• It is rocky.

• It is icy.

  
  

Tags

NGSS.4-ESS2-2

Topographic Map 

A teacher gave their students some play dough and paper to make a landform using this topographic map. This is a topographic map that shows the physical features of an area of land. These features may include mountains, rivers, lakes, and valleys. Features that are man-made such as roads and cities are not included in a topographical map. These are used to read elevation. Topographic maps show us different patterns that we can see on the earth’s surface. The students spend a lot of time learning about reading maps and landforms.  

What is the difference between Baker Hill and Able Hill?

• Able Hill is the same height as Baker Hill.

• Baker Hill is about 10 meters higher than Able Hill.

• Able Hill is about 10 meters higher than Baker Hill.

• Baker Hill is 15 meters higher than Able Hill.