Grade 6 Science quiz T2

Which of the following is an example of wasted energy in a light bulb?

• Light energy

• Sound energy

• Heat energy

• Electrical energy

What is the pH value of a neutral solution?

• 0

• 7

• 14

• 1

Which method is commonly used to test the pH of a solution?

• Thermometer

• Litmus paper

• Barometer

• Ruler

What type of energy is mostly wasted in a car engine?

• Kinetic energy

• Chemical energy

• Heat energy

• Light energy

Which of the following is an identification key used for classifying animals?

• Dichotomous key

• Periodic table

• pH scale

• Venn diagram

What color does blue litmus paper turn in an acidic solution?

• Red

• Blue

• Green

• Yellow

Which of the following is NOT a method for testing pH?

• pH meter

• Litmus paper

• Thermometer

• Universal indicator

In a television, which form of energy is considered wasted?

• Sound energy

• Light energy

• Heat energy

• Electrical energy

What is the main purpose of an identification key in biology?

• To measure temperature

• To classify and identify organisms

• To test pH levels

• To calculate speed

Which of the following pH values indicates a basic solution?

• 3

• 7

• 10

• 1