A bigger push or pull makes things speed up or slow down more quickly.
All animals need food in order to live and grow. They obtain their food from plants or from other animals. Plants need water and light to live and grow.
Living things need water, air and resources from the land, and they live in places that have the things they need. Humans use natural resources for everything they do.
Pushing or pulling of an object can change the speed or direction of its motion and can start or stop it.
Weather is the combination of sunlight, wind, snow or rain and temperature in a particular region at a particular time. People measure these conditions to describe and record the weather and to notice patterns over time.
Some kinds of severe weather are more likely than others in a given region. Weather scientists forecast severe weather so that the communities can prepare for and respond to these events.
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Things that people do to live comfortably can affect the world around them. But they can make choices that reduce their impacts on the land, water, air and other living things.
Pushes and pulls can have different strengths and directions.
Sunlight warms Earth's surface.
Plants and animals can change their environment.
When objects touch or collide, they push on one another and can change motion.