5th QSE 2 Prep

Front

What is a power source in a circuit?

Back

A power source provides the electrical energy needed to make a circuit work, such as a battery or a plug connected to an outlet.

Front

What is the purpose of a switch in a circuit?

Back

A switch controls the flow of electricity in a circuit, allowing it to be turned on or off.

Front

What is force in the context of physics?

Back

Force is a push or pull on an object that can cause it to move, stop, or change direction.

Front

What is the relationship between height and time in free fall?

Back

The height from which an object is dropped affects the time it takes to hit the ground; generally, the higher the drop, the longer it takes to fall.

Front

What does it mean for a material to be soluble in water?

Back

A material is soluble in water if it can dissolve in water to form a solution.

Front

What is a hypothesis in scientific investigation?

Back

A hypothesis is a testable prediction about the relationship between two or more variables.

Front

What is the scientific method?

Back

The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

Front

What is the definition of physical properties?

Back

Physical properties are characteristics of a substance that can be observed or measured without changing its identity, such as color, mass, and state.

Front

What is the role of a measuring tape in experiments?

Back

A measuring tape is used to measure lengths or distances accurately in scientific experiments.

Front

What is the purpose of a stopwatch in experiments?

Back

A stopwatch is used to measure the time taken for an event to occur, such as the duration of a fall.