Forces - Changing Shape
Clay can be molded into different shapes, like these colorful men!

Forces - Changing Shape

This Science quiz is called 'Forces - Changing Shape' and it has been written by teachers to help you if you are studying the subject at elementary school. Playing educational quizzes is a fun way to learn if you are in the 1st or 2nd grade - aged 6 to 8.

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What happens when you apply force to an object? You already know that some materials can change shape but bounce back again - springs, rubber bands and balloons. But other materials stay in their new shape. If you push or pull on dough or modeling clay and change its shape, what happens? It stays in the new shape. You can use force to mold dough and clay. It is good fun. It is also good science.

Click on the pictures for a closer look.

This man is making bread. He is working the dough. He pushes and pulls the dough. Every time he does this the dough:
Changes shape
Changes color
Bounces back to its original shape
Gets heavier
Have you ever made bread? Have you ever worked the dough?
Mike pulls on a rubber band. It stretches and gets longer. What happens when Mike stops pulling?
The rubber band goes back to its original shape
The rubber band stays longer
The rubber band gets even longer
The rubber band changes color
Rubber bands are elastic. They can go back to their original shape and size
Thin metal can change shape if you push hard enough.

This car has had a bump. Another car bumped into it. The car has a dent. It has changed _____.
It is very hard to repair the dent. It is hard to put it back to the original shape
Alice is rolling pastry. When Alice has rolled the pastry, the pastry is _______.
Do you like rolling pastry?
The man is squashing an empty drinks can. The can changes shape. The can:
Will go back to its original shape
Will stay in its new shape
Will rebound like a rubber ball
Will spring back like a rubber band
This change in shape is permanent
Ben pushes down on the play dough. What happens?
The play dough changes shape
The play dough melts
The play dough bounces back to its original shape
Nothing happens
What can you make with modeling clay?
These puppets are made from modeling clay. This shows that modeling clay can be ______.
What is the best thing you have ever made with modeling clay?
Beatrice sits down on a bean bag. The bean bag:
Changes shape
Stays the same shape
Gets much bigger
Gets much smaller
Do you have a bean bag in your house?
Susan makes pottery. She mixes clay and water. She ______ the clay on a potter’s wheel.
The clay can be shaped. The clay is molded. The clay stays in its new shape
The picture is of a blacksmith making a horse-shoe. The blacksmith makes the horse-shoe from steel.

It is very difficult to change the shape of the steel. The blacksmith has to heat the steel so it is red hot and then hit it with a hammer. This is because steel is a ____ material.
What shape is a horse-shoe?
Author:  David Bland

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