Midterm review

Front

What are producers in an ecosystem?

Back

Producers are organisms, like plants, that produce their own food through photosynthesis.

Front

How do producers receive energy for photosynthesis?

Back

Producers receive energy by absorbing sunlight.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the heat of an object.

Front

What does solubility mean?

Back

Solubility refers to the ability of a substance to dissolve in water.

Front

What is mechanical energy?

Back

Mechanical energy is the energy associated with the motion and position of an object.

Front

What happens when you add a dye to water?

Back

The dye will dissolve in the water, changing its color.

Front

What is the process of separating liquids based on density?

Back

The process is called sedimentation, where liquids settle into layers based on their density.

Front

How can you identify water in a mixture of liquids?

Back

You can identify water by adding more water to the mixture and observing which layer increases in volume.

Front

What is the significance of layers in a graduated cylinder?

Back

Layers indicate different densities of liquids, helping to identify their composition.

Front

What is the role of ice in identifying water in a mixture?

Back

Ice can help identify water by showing which layer is just above it, as water is less dense than ice.