| hourglass |
an instrument used to measure time that sends sand through a narrow opening between two larger glass bulbs. It takes exactly one hour for the sand to pass from one bulb to the other. |
| Mali |
Mali is a country in Africa. Two of its neighbors are Algeria and Niger. Much of Mali is very dry and covered with sand. This part of Mali is part of the Sahara Desert. The southern part of Mali has some tropical forest and also land where cotton can grow and people can raise cattle. Music and sports are important to many people in Mali. Soccer is the most popular game to play and watch. |
| mangrove |
A mangrove is a tropical tree that grows near oceans along shorelines or streams. It can live in very salty water. Mangroves grow in muddy soil or sand and have roots that come up above the ground or water. The trees grow very tightly together. |
| mortar2 |
a material made from lime, sand, and water and used to hold bricks or stones in place. |
| pail |
A pail is a container with a handle. A pail is used for carrying things. We often use a pail to carry things like water, dirt, or sand. [1/2 definitions] |
| pan |
to wash gravel or sand in a pan to remove gold or other precious metals. [1/4 definitions] |
| pearl |
a smooth, round gem that is formed inside the shells of oysters. A pearl forms to cover something, such as a grain of sand, that gets stuck in an oyster and irritates it. |
| plaster |
a paste of sand, lime, and water that becomes hard when it dries. Plaster is used to cover walls and ceilings. [1/3 definitions] |
| print |
A print is a mark that you sometimes make when you press down on something. If you have paint on your finger and you press your finger down on a piece of paper, you will make a print. If you walk on soft sand, your feet will make prints in it. [1/8 definitions] |
| quartz |
Quartz is a hard mineral that can have beautiful crystals and comes in different colors. It is an important mineral because it is found in many rocks on the earth. Sand is often made out of very small grains of quartz. |
| quicksand |
a deep, wet, mixture of sand and water. Quicksand pulls down and swallows up a person or thing that stands on it. |
| reef1 |
a ridge of rock, sand, or coral at or near the surface of ocean waters. |
| Sahara Desert |
The Sahara Desert is a very large, dry area of land in the northern part of Africa. It is very hot, and most of it is covered by rock and sand. The Sahara Desert is the biggest hot desert in the world. It is almost as big as the whole United States! Although the desert is hot and dry, some plants, animals, and people live in parts of it. |
| sand |
to cover with sand or something like sand. [1/3 definitions] |
| sandbar |
a ridge of sand in a river or near a shore. It is formed by the action of waves or currents. |
| sandbox |
A sandbox is something for children to play in. It is a kind of large, low box filled with sand. |
| sandcastle |
a model of a castle made by molding wet sand at a beach. |
| sandpaper |
paper covered on one side with sand or some other rough material. It is used to smooth wood and other surfaces. [1/2 definitions] |
| sandstone |
rock that is formed mostly of sand and held together with a substance similar to cement. |
| sandy |
made of, containing, or like sand. [3 definitions] |
| shovel |
a similar but smaller scooping device, especially one used for gardening or for playing in sand. [1/6 definitions] |