4th Grade Science Review Q2

Front

What is the scientific method?

Back

The scientific method is a systematic process used for scientific investigation, which includes making observations, forming a hypothesis, conducting experiments, analyzing data, and drawing conclusions.

Front

What is a hypothesis?

Back

A hypothesis is a testable prediction about the outcome of an experiment, based on prior knowledge and observations.

Front

What are the three states of matter?

Back

The three states of matter are solid, liquid, and gas. Solids have a definite shape and volume, liquids have a definite volume but take the shape of their container, and gases have neither a definite shape nor volume.

Front

What is photosynthesis?

Back

Photosynthesis is the process by which green plants use sunlight to convert carbon dioxide and water into glucose and oxygen.

Front

What is the role of producers in an ecosystem?

Back

Producers, such as plants, are organisms that create their own food through photosynthesis and serve as the base of the food chain.

Front

What is a food chain?

Back

A food chain is a sequence that shows how energy and nutrients flow from one organism to another in an ecosystem, starting with producers and moving to consumers.

Front

What is the water cycle?

Back

The water cycle is the continuous process by which water evaporates from the Earth's surface, condenses in the atmosphere, and precipitates back to the surface as rain or snow.

Front

What is gravity?

Back

Gravity is the force that attracts two bodies toward each other, the strength of which depends on their masses and the distance between them.

Front

What is a habitat?

Back

A habitat is the natural environment in which an organism lives, providing the necessary resources for survival.

Front

What is an ecosystem?

Back

An ecosystem is a community of living organisms interacting with each other and their physical environment.