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100
What surrounds the nucleus of an atom?
What are electrons
100
What makes a chemical change different from a physical change?
What is a new substance is formed in a chemical change
100
True or False Your chain on your bike rusting is an example of a chemical change
What is true
100
Where do we get synthetic products?
What is they are made by humans
100
How can you identify atoms of the same element but with different charges?
What are atoms with the same number of protons and atoms with a different number of electrons.
200
What are the parts of an atom?
What are protons, neutrons, nucelus, electrons
200
What happens with the atoms during a chemical change?
What is the reactants unbond, rearrange, and rebond to form a product
200
An apple turning brown when exposed to the air is an example of a
What is chemical change
200
What does the law of conservation of mass state?
What is matter is neither created or destroyed
200
What is responsible for the electric charge of an atom?
What are protons and electrons
300
If an atom has 3 protons and 4 electrons then the atom is __________________ charged
What is negatively charged
300
4Al + 3O2 ---> 2Al2O3 Count the reactants
What is 4 Aluminum atoms, 6 Oxygen atoms
300
What is the primary source of stored energy in solar panels?
What is sunlight
300
Which state of matter moves the fastest?
What is a gas
300
How is thermal energy transferred?
What is from something hot to something cold
400
What would change if a proton was added to an atom?
What is the atomic number would change
400
What happens when a precipitate is formed during a chemical change?
What are 2 liquids react and form a solid
400
Which is an example of a renewable resource? water, oil, natural gas, coal
What is water
400
Why do they use solar panels on stop signs?
What is to get people's attention
400
What can you look for on the periodic table to help you in identifying an element that has 8 protons, 8 neutrons, and electrons, and has an atomic mass of 16?
What is find the element that has an atomic number of 8 which represents the number of protons.
500
Where are neutrons found in an atom?
What is inside the nucleus
500
True or False Water turning into steam is a chemical change
What is false
500
Which one is an example of a fossil fuel? biomass,coal,geothermal energy, wind
What is coal
500
If something will be available for many many years what is it going to be called?
What is a renewable resource
500
What would be the charge of a model of a nitrogen atom?
What is zero