107 2nd Quarter Science Review 2nd Grade PArt 2

Students are comparing the color of rocks. Describe the color of the rocks above.

• the wet rock is lighter

• the wet rock is darker

• the color is the same

A group of students are observing the color and texture of rocks. What tool will help with their observations?

• balance

• hand lens

• ruler

What properties describe salt water?

• clear, odorless, and tasteless

• clear, smells, and tastes like salt

• clear, smells, and tastes like soil

Identify properties of fresh water.

• clear, odorless, tasteless

• clear, smells and tastes like fruit

• clear, odorless, tastes minty

Which of the following is not a natural resource?

• trees

• water

• chair

• air

Which of the following is a natural resource?

• clothes

• paper

• wood

Where should a piece of paper go that a student wants to throw away?

• trash can

• recycle bin

• leave it on the table

Which of the following resources should be conserved?

• water

• rocks

• dirt

Students used empty metal cans to build towers. Which of these is NOT a way students could reuse the metal cans?

• make the cans into pencil holders

• throw the cans in the trash

• use the cans to plant seeds