Semester 1 Exam 8th grade science

Front

What is qualitative data?

Back

Qualitative data refers to descriptive information that can be observed but not measured. An example is 'The apple is red and shiny.'

Front

What state of matter has no definite volume or shape?

Back

Gas is the state of matter that has no definite volume or shape.

Front

Why are different types of telescopes used in space science?

Back

Different types of telescopes are needed to collect data from different ranges of radiation.

Front

What is the main source of energy for all living things?

Back

The sun is the main source of energy for all living things.

Front

What term describes the movement of matter due to temperature differences?

Back

Convection describes the movement of matter due to temperature differences.

Front

What is the definition of conduction?

Back

Conduction is the transfer of heat through direct contact between materials.

Front

What is radiation in the context of energy transfer?

Back

Radiation is the transfer of energy through electromagnetic waves, such as sunlight.

Front

What is the definition of diffusion?

Back

Diffusion is the process by which molecules spread from areas of high concentration to areas of low concentration.

Front

What is the electromagnetic spectrum?

Back

The electromagnetic spectrum is the range of all types of electromagnetic radiation, including visible light, radio waves, and gamma rays.

Front

What is the role of the sun in the water cycle?

Back

The sun provides energy for evaporation, which is a key process in the water cycle.