3rd Grade Science IA3

In the picture, there are 4 attributes that we use to classify rocks. Which one of the following descriptions could be placed under the Hardness column?

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• 1. This mineral is the softest, because it is easily scratched.

• 1. This mineral is easily identified because it is green.

• 1. This mineral is shiny like a metal. 

• 1. This mineral is rough to the touch. 

In the picture, there are 4 attributes that we use to classify rocks. Which one of the following descriptions could be placed under the Texture column.

• 1. This mineral is the softest, because it is easily scratched.

• 1. This mineral is easily identified because it is green.

• 1. This mineral is shiny like a metal. 

• 1. This mineral is rough to the touch. 

If scientists find a fossil of an animal that has the physical features of a fish, which of the following conclusions can be made?

• The fossil belonged to an organism that could walk.

  
  

• The fossil belonged to an insect.

  
  

• The area where the fossil was found was once under water.

  
  

• The fossil belonged to a plant.

  
  

Tags

NGSS.MS-LS4-1

Based on the teeth of the dinosaur in the picture above, which of the following is probably true?

• The dinosaur was a vegetarian.

  
  

• The dinosaur was a meat eater.

  
  

• The dinosaur lived in the ocean.

  
  

• The dinosaur could fly.

  
  

Tags

NGSS.MS-LS4-2

Justin is observing a mineral. He takes the mineral and scratches it with his fingernail. A bit of mineral comes away under his nail.

• It is magnetic

• It is a softer rock

• It is a harder rock

• It is a dull rock

John is observing a mineral. He notices the mineral has a METALLIN sheen. "Metallic means something looks shiny like metal, such as a coin, a spoon, or a piece of gold. If a rock or mineral is metallic, it shines like metal!"

Which property of the mineral is Justin observing?

• Hardness

• Luster

• Texture

• Streak

This soil is made up equal parts of clay, sand, and silt. It has a combination of all types of soil particles. It is called……

• Clay

• Silt

• Sandy Soil

• Loam

Samantha is comparing two types of soil. One soil has large, rough particles that feel dry and gritty, and the other soil has tiny, smooth particles that feel sticky when wet.

How are these soils different from each other?

• One soil is rough, and the other is soft because they have different particle sizes.

• One soil is made of tiny pieces of plants, and the other is made of tiny rocks.
  

• One soil is brown, and the other is gray because they have different colors.

  
  

When Mrs. Rogers asked her students to look that this diagram of a fossilized animal and explain how the animal got under all the layers of earth, Devin was the only one that got the answer correct. What was Devin's answer?

• 
  

• The animal dug a hole and died.

  
  

• The animal was buried by its family.

  
  

• The animal got crushed by the earth and died.

  
  

• The animal died and then layers of earth accumulated over it.

  
  

Tags

NGSS.MS-ESS1-4

Marlee and her family were spending time at the beach. Marlee and her brother made this tower with rocks they found on the beach. "Great tower!" said their mom. "The rocks are so smooth! How did that happen?" What did Marlee tell her mother?

• 1. Wind blowing over the rocks smoothed the surfaces.

• 1. The water waves and the wind passing over the rocks smoothed the surfaces.

• 1. Children playing with the rocks on the beach wore off the rough surfaces of the rocks.

• 1. The sun dissolved the outer surface of the rocks. 

Tags

NGSS.MS-ESS2-2