Physical Science Jam - 8th Grade

Front

What is density?

Back

Density is the mass of an object divided by its volume. It determines how heavy an object is for a given size.

Front

What is polarity in molecules?

Back

Polarity refers to the distribution of electrical charge over the atoms joined by the bond. Polar molecules have a positive and a negative end.

Front

What is solubility?

Back

Solubility is the ability of a substance (solute) to dissolve in a solvent, forming a solution.

Front

What is malleability?

Back

Malleability is the ability of a material to be deformed or shaped under compressive stress, often by hammering or rolling.

Front

What is a chemical change?

Back

A chemical change occurs when substances combine or break apart to form new substances with different properties.

Front

What is deforestation?

Back

Deforestation is the clearing or thinning of forests by humans, which can lead to habitat loss and environmental changes.

Front

What are renewable energy resources?

Back

Renewable energy resources are energy sources that are replenished naturally, such as solar, wind, and hydroelectric power.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

Front

What is the significance of energy conservation?

Back

Energy conservation involves using less energy by being more efficient or reducing waste, which helps protect the environment.

Front

What is the impact of burning fossil fuels?

Back

Burning fossil fuels releases greenhouse gases into the atmosphere, contributing to climate change and air pollution.