Science Unit 3: Earth Materials

Which part of the soil is made up of things that were once alive?

• humus

• minerals

• rock

• silt

Which is NOT a way people use water?

• to build homes

• to cook

• to drink

• to swim in

What is weathering?

• taking the air's temperature with a thermometer

• breaking down of rock by wind and water

• turning minerals into different kinds of rocks

• hunting for fossils on cold, rainy days

Tags

NGSS.MS-ESS2-2

What is a property?

• a characteristic or feature

• a plant of animal fossil

• a kind of mineral

• a kind of natural resource

What is a fossil?

• a tall, steep mountain that was made by weathering

• a property of a large rock or mineral

• what remains of a plant of animal that lived long ago

• one kind of natural resource we can eat and drink

Tags

NGSS.MS-LS4-1

What is NOT a way soil helps plants?

• giving sunlight to plants

• giving nutrients to plants

• holding a plant's roots in place

• holding water for plants

Why does water that freezes cause weathering?

• Water takes up more space than ice.

• Very cold rocks break more easily

• Ice takes up more space than water

• Large rocks can crush large pieces of ice

A scientists finds a dinosaur jawbone with a row of sharp teeth. What do you think the scientist might learn about this dinosaur?

• the dinosaur ate meat

• the dinosaur did not eat meat

• the dinosaur made loud noises

• dinosaur lived in a very cold place

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2