Pressure Lesson 1 Worksheet

Some Pressure Tricks!

In the wintertime, Maya’s dog falls through the ice into a pond. She is just about to run across the ice when she remembers that she is ........................ than he is. She would fall through the ice too. She goes to get a ladder from her garden shed. She knows that even though she and the ladder weigh a lot, if she spreads the ..................... out over a wide ................ , the .............................. will be less, and the ice might hold. It works, and she saves her dog. Use these

weight

force

area

heavier sharp pressure

Raj can lie on a bed of nails. Everyone thinks he’s a superman, but Raj’s secret is that science helps him to do the trick. If he lay on just one nail, his weight would drive it into him, ouch! But if he spreads the downward ............................ of his body over a wide ................. containing lots of nails, he won’t get hurt, because the ............................................ on each nail is so much less. (He makes sure the nails aren’t too ........................ , too!)