P3 Matter and Forces

• Are you ready for the test next lesson? Here are a few “True or false” questions to see if you are. Hold up the true or false posters you just made.

True or false?

Your mass is less on the moon (compared to on the earth)

True or false?

Your mass is less on the moon (compared to on the earth)

FALSE!

True or false?

Weight is measured in Newtons

True or false?

Weight is measured in Newtons

TRUE!

True or false?

Weight = mass divided by volume

True or false?

Weight = mass divided by volumeFALSE!

True or false?

Density is measured in Pascals

True or false?

Density is measured in PascalsFALSE!

True or false?

The volume of a regular solid is equal to its length times its width times its height.

True or false?

The volume of a regular solid is equal to its length times its width times its height.

TRUE!

True or false?

Force is measured in Watts

True or false?

Force is measured in Watts

FALSE!

True or false?

A force can change the shape of an object

True or false?

A force can change the shape of an object

TRUE!

True or false?

Hooke’s law states that the extension of a spring is proportional to the force applied (until the limit of proportionality is reached)

True or false?

Hooke’s law states that the extension of a spring is proportional to the force applied (until the limit of proportionality is reached) TRUE!

True or false?

The “Spring constant” is the area under a force v extension graph.

True or false?

The “Spring constant” is the area under a force v extension graph.

FALSE!

True or false?

When there is no resultant (net) force on a moving object, it continues to move at constant velocity.

True or false?

When there is no resultant (net) force on a moving object, it continues to move at constant velocity.TRUE!

True or false?

Resultant (net) force = mass x acceleration

True or false?

Resultant (net) force = mass x acceleration

TRUE!

True or false?

Pressure = Force/Area

True or false?

Pressure = Force/Area

TRUE!

True or false?

Arsenal play in red because their first set of shirts was given to them by Nottingham Forest (who of course play in red).

True or false?

Arsenal play in red because their first set of shirts was given to them by Nottingham Forest (who of course play in red).TRUE!

Arsenal - never won Champions league

Forest - won the European cup (when only “champions” were allowed to play) TWICE

Test tomorrow

• Don’t forget to use the “learning profile” you were given to help you study

• All the lesson PowerPoints are on www.mrsimonporter.wikispaces.com