Science Skills Quiz

Which of the following is the first step in the scientific method?

• Forming a hypothesis

• Conducting an experiment

• Making an observation

• Analyzing data

What is the force that pulls objects toward the center of the Earth?

• Friction

• Gravity

• Magnetism

• Tension

Which form of energy is stored in the bonds of chemical compounds?

• Kinetic energy

• Thermal energy

• Chemical energy

• Electrical energy

What is the formula for density?

Which state of matter has a definite shape and volume?

• Solid

• Liquid

• Gas

• Plasma

What is the process called when a solid changes directly into a gas?

• Melting

• Freezing

• Sublimation

• Condensation

In an experiment, the variable that is changed or controlled by the scientist is called the:

• Dependent variable

• Independent variable

• Control variable

• Constant variable

Which of the following is an example of a contact force?

• Gravity

• Magnetic force

• Friction

• Electric force

What type of energy is associated with the motion of objects?

• Potential energy

• Kinetic energy

• Chemical energy

• Nuclear energy

If an object has a mass of 10 kg and a volume of 2 m³, what is its density?

• 5 kg/m³

• 20 kg/m³

• 0.2 kg/m³

• 10 kg/m³