8th Science 1st Sem Exam

Front

What does a graph showing gradually speeding up indicate?

Back

The object is increasing its speed over time.

Front

What are materials that allow heat and electricity to move easily through them called?

Back

Conductors

Front

What type of measurement is 'The mass of the chocolate cake is 250 g'?

Back

Quantitative

Front

What is Newton's 1st Law of Motion?

Back

An object in motion (or at rest) will stay in motion (or at rest) until an outside force acts upon it.

Front

What is the curved upper surface of a column of liquid called?

Back

Meniscus

Front

What is the definition of insulators?

Back

Materials that do not allow heat and electricity to move easily through them.

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data describes qualities or characteristics, while quantitative data involves numerical measurements.

Front

What does it mean for an object to be in constant speed?

Back

The object covers equal distances in equal intervals of time.

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time

Front

What is the principle of conservation of energy?

Back

Energy cannot be created or destroyed, only transformed from one form to another.