describe an object that is made up of parts.

3.0 comprehension

• describe the key parts of a common item.

• describe what will happen to the weight of the whole item if one part is removed.

• use a piece of fruit to show that the weight of all of the wedges would equal the weight of the fruit before being cut.   *
• 4.0
  
• determine the weight, length or volume of a whole when given a piece of a whole to measure. * determine changes in volume and/or weight when sugar or salt is dissolved in water.

list physical properties.

3.0 comprehension

plan and carry out investigations to describe and classify different kinds of materials by their observable properties. explain ways the properties of materials are changed when wet, mixed, heated, frozen, cut, dissolved, blended, or exposed to light. dissolve sugar in water and describe what happens.

4.0

analyze data obtained from testing materials to determine which materials have properties that are best suited for an intended purpose.