6th & 7th Grade Science
This is the term for a consumer who eats both plants and animals.
What is an omnivore?
Is the type of plate boundary where the sea - floor spreading occurs
what is divergent?
Is the maximum number of valence electrons that an element can have
What is 8?
This is the name of the last group on the periodic table that contains elements with full outer shells that are non-metals and the least chemically reactive.
What are the Noble Gases?
This is thing in an experiment that the scientist changes on purpose (the cause).
What is the independent variable?
This is the term for substances, such as carbon dioxide and methane, that trap heat in our atmosphere.
What is a "greenhouse gas?"
Asexual reproduction type that occurs when a nucleus divides
What is mitosis?
This is the formula for density?
What is Mass/Volume
This is the term for when a substance changes directly from a solid to a gas (such as dry ice).
What is sublimation?
The planet in the solar system with the shortest year
What is Mercury?
These are the 5 characteristics of all living things.
What is respond, organization (cells/DNA), growth and development, use energy, and reproduce?
Gray fur is dominant to white fur. A heterozygous mouse and a white mouse mate. What is the expected ratio of gray to white in the offspring?
1:1 (2:2)
Matter is not created or destroyed
What is the Law of Conservation of Mass?
These two subatomic particles make up the mass of an atom.
What are protons and neutrons?
This is the element that makes up most of the mass of the sun
what is hydrogen?
These are three differences between plant and animal cells (be specific).
What are plants have chloroplasts, a cell wall, and a larger vacuole?
Is has the longest wavelength in the electromagnetic spectrum
what is radio wave?
Organelle where cellular respiration takes place
what is mitochondria?
The physical property that allows metals to be formed into different shapes.
What is malleability?
There are this many planets in the solar system.
What is 8?
Earth's atmosphere is composed of abut 78% of this element
What is nitrogen?
Is the number of waves that pass a given point in a certain amount of time.
What is frequency?
Elements and compounds are classified as this.
What are pure substances?
Balance this chemical equation.
CH4 + O2 --> CO2 + H2O
What is
CH4 + 2O2 --> CO2 + 2H2O
The part of the atmosphere responsible for blocking out the majority of the sun's U.V. radiation
What is the Ozone?