Physical Science
the ability to do work; what animals and plants need to grow and move
a part of the plant that keeps the plant in the ground and takes in water and nutrients from the soil
What is the root?
a tool that measures temperature
What is a thermometer?
a large object that orbits around the sun
My Very Easy Method, Just Speeds Up Naming Planets - is an acronym for ____
a push or pull on an object that causes it to change speed or direction
What is force?
Food chains and food webs show the flow of ____ within an ecosystem
the condition of the atmosphere at a specific time in a specific place
What are asteroid, comets, and meteors made of?
What is rock and ice?
the average weather of a region over an extended period of time
a state of matter that can change its size and shape, and can take the shape of whatever it is put into; a substance with indefinite mass and volume
What are the producers?
the process by which water vapor (gas) cools and becomes liquid droplets of water
A ____ is the Earth moving in a path around the Sun, which results in ONE YEAR on Earth (~365 days)
What is a revolution?
a molecule made up of two or more different elements that are chemically combined
What is a chemical change?
the part of the plant where food is made by the process of photosynthesis
What is the leaf?
The earth is surrounded by layers of air, called its ____
What is the atmosphere?
a small celestial body composed of rock, dust, and ice, that orbits the Sun; it has a long tail of ice and dust particles
What is a comet?
Which organism in this food chain is taking in the LEAST amount of energy grass --> caterpillar --> lizard --> snake
the energy of an object at rest or not being used; stored energy
What is potential energy?
the process of water leaving a plant through the tiny openings (stomata) on the bottom surface of each leaf
What is transpiration?
the natural process by which heat energy is held near the Earth's surface; the rise in temperature that the Earth experiences because certain gases in the atmosphere trap energy from the Sun
What is the greenhouse effect?
a system of dust, gas, and millions of stars held together by gravity: an identifiable cluster of stars and planets
energy stores in the bonds of atoms and molecules that holds these particles together; also the energy released during a chemical reaction
What is chemical energy?