8th Grade Science NC Check-In 1 Review

Front

What is density?

Back

Density is the mass of an object divided by its volume, often expressed in grams per cubic centimeter (g/cm³).

Front

How can you determine which object has a higher density?

Back

You can determine which object has a higher density by comparing their mass and volume. The object with more mass in the same volume has a higher density.

Front

What evidence supports the idea that some mountains were once underwater?

Back

Fossils of marine organisms found on the tops of some mountains support the idea that these mountains were once at the bottom of an ocean.

Front

What is an abiotic factor?

Back

An abiotic factor is a non-living component of an ecosystem, such as sunlight, water, and minerals.

Front

What is a producer in an ecosystem?

Back

A producer is a living thing that converts energy from the environment, usually through photosynthesis, into sugars.

Front

What is the correct order of a food chain?

Back

The correct order of a food chain is: Producer > Primary Consumer > Secondary Consumer.

Front

What is a primary consumer?

Back

A primary consumer is an organism that eats producers; they are typically herbivores.

Front

What is a secondary consumer?

Back

A secondary consumer is an organism that eats primary consumers; they can be carnivores or omnivores.

Front

What is a decomposer?

Back

A decomposer is an organism that breaks down dead or decaying organisms, returning nutrients to the soil.

Front

What role do producers play in an ecosystem?

Back

Producers are essential in an ecosystem as they provide energy for all other organisms through photosynthesis.