Science flashcardizz

Front

What is the law of conservation of matter?

Back

The law of conservation of matter states that matter cannot be created or destroyed in an isolated system. The total mass remains constant.

Front

What happens to the mass of a rock when it is broken into smaller pieces?

Back

The mass of the smaller pieces plus any dust created equals the mass of the original rock.

Front

What is the primary source of energy for all living things on Earth?

Back

The Sun is the primary source of energy for all living things on Earth.

Front

How do plants obtain energy?

Back

Plants obtain energy through photosynthesis, using sunlight to convert carbon dioxide and water into glucose.

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.

Front

What is the role of the Sun in a food chain?

Back

The Sun provides the energy that plants use to grow, which is then passed on to herbivores and carnivores in the food chain.

Front

What is an example of a producer in a food chain?

Back

An example of a producer is grass, which uses sunlight to create energy through photosynthesis.

Front

What is an example of a consumer in a food chain?

Back

An example of a consumer is a cow, which eats grass (a producer) to obtain energy.

Front

What is the difference between a herbivore and a carnivore?

Back

A herbivore is an animal that eats plants, while a carnivore is an animal that eats other animals.

Front

What is energy transfer in an ecosystem?

Back

Energy transfer in an ecosystem refers to the movement of energy from one organism to another through food chains.