Grade IV - SSC Science Q3 Exam

Which of the following objects is rigid?

• pillow

• sponge

• steel rod

• rubber ball

Which of the following objects is soft?

• foam

• brick

• plastic cup

• glass bottle

A rigid object is best described as:

• flexible

• light and soft

• hard and keeps its shape

• changes shape when pressed

Which of these groups contains only rigid objects?

• sponge, fabric, dough

• pillow, cushion, soft foam

• chair, rock, metal spoon

• plastic bag, balloon, clay

Which set consists only of soft objects?

• glass, wood, steel

• pillow, clay, sponge

• brick, marble, plastic ruler

A force is:

• a kind of energy

• a measure of speed

• a way to measure weight

• a push or pull on an object

What is an example of a pull?

• lifting a bag

• kicking a ball

• pushing a chair

• throwing a stone

In a diagram showing a box being pushed to the right, the arrow representing force should point:

• up

• left

• down

• right

Arrows used to represent force show:

• mass and size

• strength and shape

• direction and speed

• direction and strength

Which activity involves a force?

• drinking water

• reading a book

• sleeping on a bed

• pulling a drawer open