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WorksheetsEOG Review Science
Total questions: 15
Worksheet time: 15mins
Which is classified as an element?
carbon dioxide
iron
vinegar
water
Which best describes the sequence o the elements in Period 5 of the periodic table?
highly reactive gases, relatively non reactive metals, metalloids, very nonreactive gases, nonreactive nonmetals
highly reactive metals, relatively nonreactive metals, metalloids, reactive nonmentals, reactive gases
nonreactive gases, metalloids, nonreactive metals, highly reactive metals, highly reactive gases
nonreactive gases, nonreactive metals, highly reactive metals, metalloids, reactive nonmetals, reactive gases
Chlorine has 7 valence electrons. With what group of elements will chlorine most readily bond?
group 1
group 2
group 16
group 18
Which is the best example of a chemical change?
butter melting
egg cooking
paper tearing
water evaporating
Which chemical equation best represents the Law of Conservation of Mass?
H + O → H2O
H2 + O2 → H2O
2H2 + O2 → 2H2O
H2 + O2 → 2H2O2
What is Natural Selection?
The process were only plants better adapted to their environment tend to survive and produce more offspring.
The process were only humans better adapted to their environment tend to survive and produce more offspring.
The process were individuals better adapted to their environment tend to survive and produce more offspring.
The process were organisms better adapted to their environment tend to survive and produce more offspring.
What is the definition of CONVECTION
When heat transfers through waves.
When heat transfers from objects that are touching.
a hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks.
Heat traveling from the sun
The chart that arranges elements by atomic number is:
Atomic Number
Metal
Periodic Table
Chart
The smallest unit of an element that still has the properties of that element is:
Proton
Nonmetal
Atomic number
Atom
How are compounds and elements different?
Elements are metals; compounds are nonmetals
Elements are pure substances; compounds are not
Elements exist as solids, liquids, and gases; compounds are solids
Elements have one kind of atom; compounds have different kinds of atoms
What is a example of lab safety?
Keep your hair down
Eat a snack before an experiment
Keep your goggles on at all times
Play around the equipment
A scientific theory...
is based on lots of evidence
is not valid
is not reliable
has not been tested many times
Which of the following is an example of a physical change?
A) Rusting of iron
B) Burning of wood
C) Melting of ice
D) Baking a cake
What is the primary function of the mitochondria in cells?
A) Protein synthesis
B) Energy production
C) Photosynthesis
D) Cell division
Which of the following best describes the process of photosynthesis?
A) Conversion of glucose into energy
B) Conversion of sunlight into chemical energy
C) Breakdown of food molecules to release energy
D) Exchange of gases in the lungs
