Which of the following is not a part of soil?

• Rock pieces                     

•  Air                    

• Cement

• Humus

Which of these plants grow well in sandy soil?

•  Cabbage plant          

• Cactus

• Rice plant             

• Bean plant

Tags

NGSS.MS-LS1-5

Look at the picture.

What soil property is suitable for the use of the soil shown in in the picture?

• The soil particles must be loose.

• The soil particles must stick well together.

• The soil must be rich in nutrients.

• The soil must let water through quickly.  

Which of these does not break rocks up into smaller pieces over time?

• Wind

• Water

•  

  Ice                          

• Bacteria

Which type of soil is most commonly found at beaches?

• Sandy 

• Silt

• Loamy

• Clayey

Which type of soil has the smallest air spaces between the particles?  

• Sandy

• Silt

• Loamy

• Clayey

Which type of soil water past through easily?

• Sandy

• Silt

• Loamy

• Clayey

Which of these statements about light is incorrect?

• Light cannot bend around corners.

• We can only see objects that give off light.

• Light travels in a straight line.

• Light travel faster than sound.

How does our eye see an object?

• Our eye gives off light to see an object.

• Our eye reflects light into the object.

• Light bounces off our eyes and goes into an object.

• Light bounces off an object and goes into our eyes.

Tags

NGSS.MS-PS4-2

Which of the following harms our vision?

• Place blue light filters in front of screens.

• Use sunglasses when going under the Sun.

• Read in the dark.

• Rest our eyes after looking at the screen for 20 minutes.