Grade 7 - NOVICE ROUND

What is the systematic way of solving a problem that involves observation and experimentation?

• Hypothesis

• Inferring

• Scientific Method

• Science Processes

What is known as the simplest form of matter that cannot be broken down into simpler substances?

• atom

• compounds

• elements

• mixtures

Which of the following is NOT an example of element?

• Copper

• Oxygen

• Water

• Zinc

Carbon dioxide, sodium chloride, sugar and salt are examples of ________________.

• Compounds

• Elements

• Ingredients

• Nutrition facts

Which of the following is NOT an example of compounds?

• aluminum

• carbon dioxide

• sodium chloride

• sugar

Electricity flows faster when copper and gold wires are used. What type of elements are copper and gold?

• Gases

• Metalloids

• Metals

• Nonmetals

What happens to the red litmus paper when put in the basic solution?

• turns to blue

• turns to violet

• turns colorless

• remains the same

Which of the following is NOT a mixture?

• carbon

• lemonade

• milk

• vegetable salad

Sugar dissolves easily in water. Sugar is a _____.

• solute

• solution

• solvent

• suspension

This refers the maximum amount of solute that can be dissolved in a fixed amount of solvent at a given temperature.

• dilution

• dissolution

• percent by mass

• solubility