Science UIL Practice

Front

What is a metalloid?

Back

A metalloid is an element that has properties of both metals and nonmetals. They are typically semiconductors of electricity.

Front

What is the relationship between a dog and a tick?

Back

The relationship is parasitic, where the tick feeds on the dog, similar to how malaria parasites feed on humans.

Front

How can you best represent an element using marbles?

Back

An element can be best represented by filling a box with one color of marbles arranged in two rows, indicating that it consists of only one type of atom.

Front

What does the chemical formula C₆H₈O₇ represent?

Back

It represents a compound made up of 3 different elements: carbon (C), hydrogen (H), and oxygen (O).

Front

Who is most famous for their work with atoms?

Back

Ernest Rutherford is most famous for his work with the structure of the atom.

Front

What is a conductor?

Back

A conductor is a material that allows electricity to flow through it easily.

Front

What is ductility?

Back

Ductility is the ability of a material to be stretched into a wire without breaking.

Front

What are the three states of matter?

Back

The three states of matter are solid, liquid, and gas.

Front

What is a chemical formula?

Back

A chemical formula is a way of expressing information about the proportions of atoms that constitute a particular chemical compound.

Front

What is the difference between a metal and a nonmetal?

Back

Metals are typically good conductors of electricity and heat, while nonmetals are poor conductors and can be gases or brittle solids.