BW Science test

An organism must be covered in _______________ in order for a fossil to form.

• Fossil

• Rocks

• Sediment

• Sand

A fossil forms when an organism ______ and is covered in sediment that turns into rock.

• is born

• dies

• eats

• lives.

Sedimentary rock forms ________ in layers over thousands of years.

• fast

• slowly

• in pink

• quick.

Fossils are most likely to be found in ________________

• rivers

• mud

• sand

• sedimentary rock

A sedimentary rock forms when sediment sinks _________ and _________ up in water. ____________ under more sediment and cements over time.

• sinks and builds and compacts

• paints and floods and rains

• leaves and disappears and runs

• jumps and hops and scoots

Scientist makes models to show_____________________

• off to everyone how smart they are

• how pretty big house might look.

• how things that we cant see in the real world work.

Types of sediment are _________________

• mud, water, and sand

• rocks, mud and river water

• sand, silt, gravel and dirt

• dogs, cats, goat, and birds

An observation is_______________________

• something you notice using your senses

• something you figure out based on your observations.

• something you see

A scientist who studies fossils and rocks.

• geologist

• audiologist

• a math teacher

An inference is_______________________

• something you notice using your senses

• something you figure out based on your observations.

• something you see