7th Science Winter Break Review

An inference is a conclusion or assumption made based on observations and prior knowledge.

Observations are facts or statements that can be directly seen or measured.

Tsunamis are caused by underwater disturbances such as earthquakes, landslides, and volcanoes.

Identical landforms and similar rock formations on both continents suggest they were once connected.

The average is a number that summarizes a set of data by adding all the numbers in a list and dividing by the quantity of numbers.

An observation is a direct fact, while an inference is a conclusion drawn from observations.

A scientific hypothesis is a testable prediction about the relationship between variables.

The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

A variable is any factor, trait, or condition that can exist in differing amounts or types.

A control group is a group in an experiment that does not receive the treatment and is used as a benchmark.