Unit 4: Around We Go

Front

What is a circuit?

Back

A circuit is a closed path through which electricity flows, allowing devices like light bulbs to work.

Front

What does the Greek root 'centr/center' mean?

Back

It means 'middle'.

Front

What is circumference?

Back

Circumference is the length of a line that goes around a circle.

Front

What does 'cyclical' mean?

Back

Happening again and again in the same order; happening in cycles.

Front

What is a cyclone?

Back

A cyclone is an extremely large, powerful, and destructive storm with very high winds that turn around in an area of low pressure.

Front

What is electricity?

Back

Electricity is a form of energy resulting from the existence of charged particles, which can produce light, heat, and power.

Front

What is the difference between diameter and radius?

Back

The diameter is the distance across a circle through its center, while the radius is the distance from the center to any point on the circle.

Front

What is a light bulb?

Back

A light bulb is a device that produces light when electricity passes through it.

Front

What does 'eccentric' mean in geometry?

Back

Eccentric refers to a circle or shape that is not centered or is off-center.

Front

What is the formula for calculating circumference?

Back

The formula for circumference is C = πd, where d is the diameter of the circle.