Science 4: Changes in Solid Materials When They are Bent and Pre

What are some characteristics of solid materials?

• Only size and shape

• Color, shape, texture, size, and weight

• Only texture and color

• Only weight and origin

What action is described as making a straight object into a curved one?

• Pressing

• Hammering

• Bending

• Cutting

Applying pressure to an object to flatten, shape, or smooth it is known as what?

• Bending

• Hammering

• Pressing

• Tearing

What action involves beating, striking, or pounding an object?

• Cutting

• Pressing

• Bending

• Hammering

What tool do we usually use to cut paper?

• A. Hammer

• 
  B. Scissors

• 
  C. Screwdriver

• D. Saw

"Match the Action to What Happens!"
Drag the correct action word to match how the material changes.

Groups:

(a) Bending

,

(b) Cutting

,

(c) Pressing

,

(d) Hammering

• clay can be flattened and shaped through hammering techniques.

• clay can be pressed into molds to create shapes.

• fruit can be pressed to extract juice.

• an aluminum can can be bent easily with enough force.

• metal sheets can be shaped by hammering them into desired forms.

• an axe can chop wood into smaller pieces.

• paper can be pressed to create a smooth finish.

• thin metal sheets can be bent using a bending machine.

• jewelry can be crafted by hammering metal into intricate designs.

• shears are used for cutting fabric and plants.

• a saw can cut through wood and other solid materials.

• a nail can be driven into wood using a hammer.

• a plastic straw may cause it to fold or even break.

• fabric can be pressed with an iron to remove wrinkles.

• cardboard can be bent to create various shapes.

• stones can be broken apart by hammering them with a heavy object.

• a knife can slice through various foods.

• metal sheets can be pressed to form specific shapes in manufacturing.

• scissors can cut paper and thin materials.

• flexible plastic can be bent without breaking.