A mountain with a hole at the top where lava, rock fragments, and gas can erupt from the earth's surface.
Volcano
A group of people who live or work together.
Community
Finding the total of numbers.
Addition
A Group of animals.
Herd
An underground road.
Tunnel
An object that pulls certain metals toward it.
Magnet
The elected leader of a country's government.
President
The term of an answer to a subtraction equation.
Difference
To speak very softly.
Whisper
A line that shows the order of events in history.
Timeline
A storm with strong winds and heavy rain that often happens near the ocean.
Hurricane
The study of past events.
History
Numbers that are not divisible by two.
Odd Numbers
Nearly but not exactly the same or alike.
Similar
A group of people working together.
Team
An educated guess or prediction.
Hypothesis
The state of being free from control by another country or person.
Independence
To find a value that is close to the actual value.
Estimate
To shake or tremble, often from cold or fear.
Shiver
Showing courage or being fearless.
Brave
The series of stages a living thing goes through from birth to death.
The Life Cycle
One of the seven large landmasses on Earth.
The value of a digit in a number, based on its location (e.g., ones, tens, hundreds).
Place Value
A feeling of sadness because something is not as good as expected.
Disappointment
At risk of extinction.
Endangered