1St Grade Science Vocabulary

1 st Grade Science Vocabulary

Goal 3 Understanding Properties & Relationships of Objects Solid Matter that has a shape of its own Liquid Matter that flows and takes the shape of what you pour it in Properties How something feels, looks, smells or tastes Matter What makes up all things Size How big something is Thick Big and heavy Thin Having the front and back close together Sort Separate by a common characteristic Describe Tell or write about something Sink To fall to the bottom Classify To put things into groups that are alike Float To stay on top of the water Mixture Two or more different things put together Texture How an object feels Shape What it is like on the outside Flow The movement of liquid Color The kind of light that comes from an object Goal 4 Balance & Motion Push A force that moves something away from you Pull A force that moves something closer to you Position The place where something is Force A push or a pull Investigate To make a plan and try it out Balance A tool that measures mass Mass How much matter is in an object Gravity A force that pulls things toward Earth Friction A force that slows things down Lever A bar that balances on a point and moves like a seesaw Motion A change in an object’s position Speed How fast or slow something moves Movement To go from one place to another Steadily Not shaking, with little movement Distance The space between two objects Goal 1 Needs of Living Organisms Air A gas that people breathe Water It is a liquid that people, plants, and animals need to live Amphibians Animals that live in water and on land Mammals A group of animals with hair of fur that feed milk to their young Seed The part of a plant that can grow into a new plant Stem The plant part through which water and food move Soil A mixture of tiny bits of rock, air, water and dead plants and animals Shelter A place where animals can live and be safe Leaves Plant parts that make food Living Thing Something that grows, changes and makes other living things like itself Roots Plant parts that take in water Food Chain The order in which living things get the food they need Compare To observe how things are alike and different Insect Animal with three body parts and six legs Reptile Animal with skin that is covered with scales Fish An animal that lives in water and has gills and fins Habitat A place where plants and animals live Light A kind of energy that lets us see Food What people and animals eat Common To have the same characteristics Goal 2 Solid Earth Materials Characteristics The color, shape and size of an object Different Not alike Rough There are bumps on the surface Smooth A surface that is not rough or bumpy Hardness How hard an object is Contrast How two objects are different Scratch Test To see how hard or soft a rock is