ALS Semester 1 Final (2020 Version)

Front

What is a universal evaluation form used for in taste tests?

Back

It is most likely used when young children are the testers.

Front

Is making a hypothesis the first step in the scientific method?

Back

False. The first step is usually to make observations and ask questions.

Front

How do groups/families on the periodic table arrange themselves?

Back

They go up and down (Vertical/columns).

Front

What is milk with chalk added an example of?

Back

It is an example of adulterated food.

Front

Which atom does not need eight electrons in its outer energy level to be stable?

Back

Hydrogen.

Front

What is the definition of adulteration in food?

Back

Adulteration refers to the process of adding inferior substances to food, making it impure.

Front

What is the scientific method?

Back

A systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

Front

What is the significance of the periodic table in chemistry?

Back

It organizes elements based on their atomic number, electron configuration, and recurring chemical properties.

Front

What is the difference between a hypothesis and a theory?

Back

A hypothesis is a testable prediction, while a theory is a well-substantiated explanation of an aspect of the natural world.

Front

What are the three states of matter?

Back

Solid, liquid, and gas.