Science Grade 8 Midterm Review

Front

How do you calculate density?

Back

Density = Mass / Volume

Front

Which plate is subducted in an ocean-continental convergent boundary?

Back

Oceanic plate

Front

Is the trait (the shaded individuals) dominant or recessive?

Back

Recessive

Front

Why are there so many different types of finches?

Back

Finches live in different habitats and eat different types of food.

Front

How would you define the word 'erosion'?

Back

Erosion is when bits of weathered material move from one place to another.

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time

Front

What is the process of photosynthesis?

Back

Photosynthesis is the process by which green plants use sunlight to synthesize foods with the help of chlorophyll.

Front

What is the difference between weathering and erosion?

Back

Weathering is the breaking down of rocks, while erosion is the movement of those weathered materials.

Front

What is a food chain?

Back

A food chain is a sequence of organisms each dependent on the next as a source of food.

Front

What is the role of decomposers in an ecosystem?

Back

Decomposers break down dead organic material, returning nutrients to the soil.