Week 14

Front

What is the planet where a ball would fall the fastest?

Back

Jupiter

Front

What is the most likely mass of a pencil?

Back

10 grams

Front

What is the most appropriate unit to measure the distance of a road?

Back

Meters

Front

How does the size of the moon compare to the sun?

Back

The moon is 1/400 the size of the sun.

Front

What type of energy does a windmill produce when the wind moves its propellers?

Back

Mechanical energy.

Front

What is the definition of mass?

Back

Mass is the amount of matter in an object, usually measured in grams or kilograms.

Front

What is the definition of distance?

Back

Distance is the amount of space between two points, measured in units like meters or kilometers.

Front

What is the difference between weight and mass?

Back

Weight is the force exerted by gravity on an object, while mass is the amount of matter in the object.

Front

What unit would you use to measure the length of a pencil?

Back

Centimeters or millimeters.

Front

What is mechanical energy?

Back

Mechanical energy is the energy associated with the motion and position of an object.