Science SOL6.1,3-6 Review

What is being measured as a result of the test is the...

• independent

• dependent

• control

• constant

The periodic table is arranged —

• by the atomic number

• by the number of neutrons

• in alphabetical order

• by symbols

Which example is a compound?

• Cu

• N

• CO

• Mg

Which element is NOT found in the compound H2SO4 (sulfuric acid)?

• Sodium

• Oxygen

• Hydrogen

• Sulfur

What are the three major elements in the Earth's crust?

• Iron, aluminum, and silicon

• Aluminum, silicon, and oxygen

• Magnesium, sodium, and potassium

• Potassium, titanium, and hydrogen

The two major elements that make up the Earth’s atmosphere are —

• carbon and hydrogen

• nitrogen and oxygen

• hydrogen and oxygen

• carbon and oxygen

Anything that has mass and takes up space is —

• matter

• a chemical

• chemistry

• a compound

After recording and analyzing data for an experiment a scientist must

• gather information

• form a hypothesis

• state the problem

• state a conclusion

Why is water known as the "universal solvent"?

• It dissolves all known substances.

• It dissolves only solid substances.

• It dissolves the greatest number of substances.

• It dissolves substances faster than all other solvents.

The only substance on Earth that commonly exists in all three different states is

• sugar

• salt

• water

• oil