Integrated Science 2 - 8-28-25 Flashcard

Front

What is a square number?

Back

A square number is an integer that is the square of an integer. For example, 49 is a square number because it is 7 x 7.

Front

Calculate 12 × 7.

Back

12 × 7 = 84.

Front

What does the Law of Conservation of Matter state?

Back

The Law of Conservation of Matter states that matter changes form but is not created or destroyed in a chemical reaction.

Front

What is a dependent variable?

Back

A dependent variable is the variable that is measured in an experiment. It is affected by changes in the independent variable.

Front

What is the independent variable in a plant growth experiment?

Back

The independent variable is the factor that is changed or controlled in an experiment, such as the amount of water given to the plants.

Front

What is a closed system in chemistry?

Back

A closed system is one where no matter enters or leaves, meaning the mass of the products is the same as the mass of the reactants.

Front

What is the formula for calculating the area of a square?

Back

Area = side × side.

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 is the significance of the number 49 in mathematics?

Back

49 is significant as it is a perfect square (7 x 7) and is also an example of a square number.

Front

What is the purpose of a control group in an experiment?

Back

A control group is used as a benchmark to measure how the other tested subjects do.