Alike is when some things are all very similar. The two girls in the picture are dressed alike.
Scientific name: (American) alligator mississippiensis and (Chinese) alligator sinensis
An alligator is a very large reptile, found in China and America. They are related to crocodiles but are generally darker in colour and have a broader snout. Alligators live in fresh water.
An alloy is a mixture of two or more metals, or one metal and something that isn't a metal. They are mixed together so well you cannot tell that the alloy is not a pure metal. Alloys typically have very different properties to the components that went into making the alloys. Alloys are often much, much stronger than their individual components. Many tools and machines are made from alloys because they need to be strong.
Scientific name: prunus dulcis
The almond is the seed inside the fruit of the almond tree. Almond trees grow up to 10 metres tall. They are related to plums, cherries and apricots. Most people think of almonds as a nut, not the seed of a fruit.
Almonds can be eaten raw or roasted and salted, or used in cooking cakes and puddings.
Scientific name: aloe vera
Aloe vera is a type of succulent plant, suited to arid regions. The plant is supposed to have many medicinal properties, and you often see aloe vera added to tissues - the aloe are supposed to stop your nose getting red if you have a cold and blow your nose a lot. Aloe vera is meant to be very good for your skin, and it helps burns heal faster.
Someone is alone if they are all by themselves, with no-one else around them. Sometimes alone is just a feeling - you may have people or things around you but you feel alone, and this can make you very sad.