M3 Basic Science Midterm Review - Term 2

2H2 + O2 2H2O, what is the left part of a chemical equation called?

• Reactants

• Yields

• Products

• Chemical Equation

2H2 + O2 2H2O, what is the right part of a chemical equation called?

• Reactants

• Yields

• Products

• Chemical Equation

A process that involves heat being taken in is called _________.

• exothermic reaction

• chemical change

• physical change

• endothermic reaction

Respiration is an important chemical reaction that takes place in plants and animals. This process may be represented by a chemical equation. Fill in the blanks in this equation: Glucose + Oxygen → _______ + _________

• Carbon dioxide + Air

• Air + Water

• Water + Nitrogen

• Carbon dioxide + Water

A chemical reaction that releases energy by light or heat is called ___________.

• Endothermic Reaction

• Diffusion

• Exothermic Reaction

• Fission

Based on the statement above, which is a reactant of photosynthesis?

• Carbon dioxide

• Green plants

• Glucose

• Chlorophyll

Based on the statement, which is a product of photosynthesis?

• Carbon dioxide

• Green plants

• Glucose

• Chlorophyll

Which pair of compounds and their chemical formula is incorrect?

• Water - H₂O

• Sodium chloride - NaCl

• Carbon dioxide - CO₂

• Magnesium oxide - MgHO₂

Ohm's Law describes how Voltage, Current, and Resistance are related by the equation I = V/R. Which equation would help us find voltage?

• V = I x R

• V = I / R

• V = R / I

• V = R / I x P

The picture shows an electrical circuit. What kind of circuit is this?

• Series circuit

• Parallel circuit

• Single circuit

• Double circuit