Amplify Science Grade 4 Unit 3 Chapter 1 Earth's Features

Front

To stick together in the process of forming rock

Back

cement

Front

What do scientists make to answer questions about the real world?

Back

model

Front

To figure something out based on observations and what you already know

Back

inference

Front

something you notice using any of the five senses

Back

observation

Front

to press together

Back

compact

Front

a clue about life from the past that is preserved in rock

Back

fossil

Front

a thick sheet of rock formed from the same material

Back

rock layer

Front

small pieces of rock, such as silt or sand

Back

sediment

Front

a type of rock formed from sediment that compacts and cements over time

Back

sedimentary rock

Front

scientist who studies the processes and materials that form the solid part of the earth

Back

geologist