We had eight years of Barack Obama depleting our military, ignoring a lot of the threats around the world.

While using energy from sunlight, plants turn carbon dioxide into food in a process called photosynthesis.

Some plants are carnivores, gaining nutrients by eating various small insects and spiders. A well known example of a carnivorous plant is the Venus Flytrap.

Metals are strong and are useful for making tools, buildings, bridges and other structures where strength is important.

Alkali metals such as sodium, potassium, rubidium, caesium and francium are extremely reactive elements, just putting them in water can result in an explosion! They are carefully stored in oil to prevent this happening.