Unit Science 3 Vocab Flashcard

Front

What is the inner core of the Earth?

Back

The inner core is a dense, solid metal ball located at the center of the Earth.

Front

What is biomass energy?

Back

Biomass energy is energy produced from organic materials, such as plant and animal waste.

Front

Why is solar energy considered renewable?

Back

Solar energy is considered renewable because the sun's energy will not run out for billions of years.

Front

What is a source of biomass energy?

Back

Animal waste is a source of biomass energy.

Front

What does it mean if an area has shark teeth but no water?

Back

It suggests that the area was once covered with salt water.

Front

Define renewable energy.

Back

Renewable energy is energy that is collected from resources that are naturally replenished, such as sunlight, wind, and water.

Front

What is the difference between renewable and non-renewable energy?

Back

Renewable energy can be replenished naturally, while non-renewable energy comes from sources that will eventually run out, like fossil fuels.

Front

Give an example of a non-renewable energy source.

Back

Coal is an example of a non-renewable energy source.

Front

What is the significance of the Earth's layers?

Back

The Earth's layers, including the crust, mantle, outer core, and inner core, play a crucial role in geological processes.

Front

What is the composition of the Earth's inner core?

Back

The inner core is primarily composed of iron and nickel.