7th Grade Science Palooza!

A ______ is not a cell, but is a strand of hereditary material surrounded by a protein coating.

Meiosis is cell reproduction that produces unique _________ cells.

Mitosis is cell division that produces identical _________ cells.

The atomic bombs dropped on Hiroshima and Nagasaki during WWII were powered by  ____ .

Which is NOT a potential cause of genetic mutations?

___________ is a single strand of nucleic acids that codes for synthesis of proteins.

The smallest piece of matter that has all the properties of an element is the ____ .

The ___________ is the engine of the cell, releasing energy for the cell to use.

Law of Conservation of Mass: The # of atoms element in the products ____________ reactants   

Which element is named after the inventor of the periodic table?

________ are primitive and lack membrane-bound structures, such as a nucleus or mitochondria.

In the 1830s, he sailed to the Galapagos Islands on the HMS Beagle.

Which is NOT a reason for cell division?

Atoms of the same element with a different number of neutrons are ___________ .

During a chemical reaction, the reactants make a product that is _______________ .

The structure of DNA, a double-stranded, twisted-ladder shape, is called a _______  _________ .

In the 1950s, Jonas Salk developed a vaccine to fight the _____ virus, which had infected FDR.

Science is fascinating because it helps us to understand _______ .

This first female winner of a Nobel Prize developed the theory of radioactivity.

__________ and ___________ are found in plant cells, but not animal cells.

Na + Cl → NaCl is an example of a _____________ reaction.

_________________ do not have an electrical charge.

Which type of rock has fossils and forms when layers of sand or silt are compacted over time?

In the molecular formula 3H₂O, there are 

In 1610, this scientist discovered the 4 largest moons of Jupiter with a telescope he built.

Zn + 2HCl  →  ZnCl₂ + H₂ is an example of a __________________ reaction.

This bone-building element is used to make cement and cheese.

In both DNA and RNA, the nitrogenous base cytosine always pairs with ________ .

The speed of a reaction CAN"T be increased by   ___________ .

Darwin thought that finches on the Galapagos were new species evolved from finches in ___  ___.

Our appendix is an example of a ___ structure that may have been used by our ancient ancestors.

This element has the highest melting point, over 3000°, and can take the form of diamond.

A _____________ is a section  of DNA that codes for a particular trait.