Grade 10 Chemistry Review Flashcards

Fill-in-the-blank practice flashcards covering Grade 10 Chemistry topics including lab safety, scientific method, matter changes, green chemistry principles, global warming, and SDGs.

Chemistry is defined as the branch of science that studies matter, its properties, its composition, and the __________ that occur in matter.

changes

In the field of health, chemistry plays a vital role in producing medicines, vitamins, and __________.

vaccines

The mnemonic O-M-H-E-D-K-K outlines the steps of the scientific method: Observation, Problem, Hypothesis, Experiment, Data, Conclusion, and __________.

Communication

A process such as ice melting or paper being cut is classified as a __________ change because no new substance is formed.

physical

Iron rusting and food rotting are examples of __________ changes because new substances with different properties are produced.

chemical

While a beaker is used as a container for mixing or heating, a __________ flask is used to prepare solutions with a very precise volume.

volumetric

The laboratory instrument used together with a mortar to grind solid chemical substances is a __________.

pestle

To hold containers over a tripod and spread heat evenly during heating, a __________ gauze is used.

wire

A chemical that easily ignites when exposed to heat or fire is labeled with the hazard symbol __________.

flammable

A chemical that can cause damage to skin or metals carries the hazard symbol __________.

corrosive

Green chemistry is a concept focused on preventing or reducing hazardous substances from the __________ rather than just treating waste after it is formed.

start

The green chemistry principle aimed at maximizing the incorporation of starting materials into the final product to reduce waste is called atom __________.

economy

The three important greenhouse gases listed in the lecture notes are $CO_2$, $CH_4$, and __________.

$$N_2O$$

P释emanasan global (Global warming) is defined as the increase in Earth's average temperature due to the accumulation of __________ gases in the atmosphere.

greenhouse

Sustainable development is defined as meeting present needs without compromising the ability of __________ generations to meet their needs.

future

The Sustainable Development Goal most directly connected to green chemistry's focus on waste reduction and efficient production is SDG __________.

12

In the STEAM framework applied to biodegradable packaging, calculating energy consumption and cost efficiency relies on the __________ component.

Mathematics