6th grade
What is the process by which water moves through the Earth, atmosphere, and back again?
(Water cycle)
What structure in plant cells carries out photosynthesis?
(Chloroplast)
What is the basic unit of matter?
Atom
What is the first step of the scientific method?
(Ask a question / State the problem)
What is the tool used to measure temperature?
(Thermometer)
What is the term for a region drained by a river and its tributaries?
(Watershed)
What is the smallest unit of life?
Cell
What is the measure of how much space an object takes up?
Volume
What is the variable that is deliberately changed in an experiment?
(Independent variable)
Which planet is known for having rings?
Saturn
Which two gases make up most of Earth’s atmosphere?
(Nitrogen and oxygen)
What is the term for a trait that helps an organism survive in its environment?
(Adaptation)
What kind of energy is stored in food and fuel?
(Chemical energy)
What is a conclusion based on observations and prior knowledge?
(Inference)
What is the energy transfer method through direct contact?
Conduction
What tool measures atmospheric pressure?
(Barometer)
What is the process in which organisms better suited to their environment survive and reproduce?
(Natural selection)
What law states that an object in motion stays in motion unless acted on by an outside force?
(Newton’s First Law)
What is the purpose of a control group in an experiment?
(To serve as a comparison)
What are inherited traits passed down through?
(Genes or DNA)
What type of front forms when a warm air mass meets a cold air mass and rises over it?
(Warm front)
What is the difference between asexual and sexual reproduction?
(Asexual produces identical offspring; sexual combines traits from two parents)
What is the difference between an element and a compound?
(Element is one type of atom; compound is two or more atoms bonded)
What is the term for repeated trials and consistent results in an experiment?
Reliability
Which body system includes the brain and spinal cord?
(Nervous system)