5° Science

What kind of mixture has just one component?

• Homogeneous mixture

• Heterogeneous mixture

• Solvent

• Pure substance

Example of heterogenous mixture

• Fog

• Milk

• Cereal

• Water with salt

What let out when we burn fossil fuels?

• Water

• Oxygen

• Carbon dioxide

• Nitrogen

What is an example of alternative energy source mentioned in the video?

• Oil

• Natural gas

• Solar enegy

• Coal

What kind of energy do the wind use?

• Geothermal energy

• Solar energy

• Wind energy

• Nuclear energy