Changes in Matter
Photosynthesis in plants uses energy from this source.
What is the sun or sunlight?
This biome is found in tropical regions, with temperatures ranging between 66° F - 77° F. It is knowns for its large trees, diverse animals, and lots of rainfall.
What is a rainforest?
These energy sources, like lil and coal, take millions of years to form, and once they are gone, they can't be replaced quickly.
What are nonrenewable resources?
This group of stars in the sky resembles a spoon and people use it to find the North Star.
What is the Big Dipper?
This natural phenomenon happens when clouds get too heavy with water. It is a significant step in the water cycle.
What is rain or precipitation?
This process turns liquids into solids, but the substance stays then same.
What is freezing?
In a food web, this explains organisms that break fown nonliving or decaying matter, giving matter back into the ecosystem.
What are decomposers?
This is energy that comes from the movement of water.
What is hydroelectric energy?
This spinning motion of our planet causwes day and night to happen and takes 24 hours to complete.
What is the Earth's rotation?
This water is found under the Earth's surface. People drink and use this water a lot.
What is ground water?
When a popsicle melts in the sun, it becomes a liquid, but the substance stays the same. This is an example of...
What is a physical change?
This nonliving factor in an ecosystem is essential for photosynthesis. It affects the growth and survival of plants by its intensity and duration.
What is the sun or sunlight?
This gas is released by burning fossil fuels, contributing to climate change. Humans also breath this gas out.
What is carbon dioxide?
These ancient tools were placed on the ground ad used shadows from the sun to help tell time.
What is a sun dial?
This large body of saltwater covers about 71% of Earth's surface.
What is the ocean?
This kind of change occurs when you bake a cake and a new substance is formed.
What is a chemical change?
This term refers to the trapping of heat in the earth's atmosphere, caused by gases like carbon dioxide and methane.
What is the greenhouse effect?
These are materials or substances such as minierals, forests, water, and fertile land, that occur in nature and can be used for economic gain.
What are natural resources?
What is Earth's rotation?
This is the warmest ocean on Earth. There are 35 countries that are on its coast including France, India, Thailand, Singapore, Pakistan and Malaysia.
What s the Indian Ocean?