Science Review: Middle School Standards

Front

What is a total lunar eclipse?

Back

A total lunar eclipse occurs when the Earth passes directly between the Sun and the Moon, causing the Earth's shadow to completely cover the Moon.

Front

What are the positions of Earth and the Moon during a total lunar eclipse?

Back

During a total lunar eclipse, the Earth is positioned between the Sun and the Moon.

Front

What is summer in terms of Earth's position?

Back

Summer occurs in a hemisphere when it is tilted towards the Sun, receiving more direct sunlight.

Front

How do hawks and owls reduce competition for prey?

Back

Hawks are active during the day and owls are active at night, which reduces competition for food.

Front

What is a Punnett square used for?

Back

A Punnett square is a diagram used to predict the genetic outcomes of a cross between two organisms.

Front

What is the probability of getting rounded seeds from a cross of Rr x Rr?

Back

Front

What is rust?

Back

Rust is a chemical compound formed when iron reacts with oxygen and moisture, resulting in iron oxide.

Front

What indicates a chemical change?

Back

A chemical change is indicated by the formation of new substances, color change, gas production, or temperature change.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in new substances.

Front

What is the role of sunlight in the seasons?

Back

Sunlight affects the temperature and climate of different regions, leading to the changing seasons.