UIL Science 24-25

Front

What does DNA stand for?

Back

DNA stands for deoxyribonucleic acid, which is the molecule that carries genetic information in living organisms.

Front

Which ecoregion of Texas receives the most annual rainfall?

Back

The Pineywoods ecoregion of Texas receives the most annual rainfall.

Front

What part of an atom is electrically positive?

Back

The proton is the part of an atom that is electrically positive.

Front

Complete this analogy: skin is to epithelial tissue as brain is to ________ tissue.

Back

The brain is to nervous tissue.

Front

What is a qualitative observation?

Back

A qualitative observation is a description that involves characteristics that cannot be measured, such as color or texture.

Front

What is a quantitative observation?

Back

A quantitative observation is a measurement that involves numbers, such as height or weight.

Front

What is the function of DNA in living organisms?

Back

DNA contains the instructions needed for an organism to develop, survive, and reproduce.

Front

What are the three main parts of an atom?

Back

The three main parts of an atom are protons, neutrons, and electrons.

Front

What is the role of protons in an atom?

Back

Protons determine the atomic number of an element and contribute to the mass of the atom.

Front

What is the difference between an ecoregion and a biome?

Back

An ecoregion is a smaller area with specific environmental conditions, while a biome is a larger area characterized by similar climate, plants, and animals.