any process that breaks rocks into smaller pieces

3rd Grade Pearson Earth and Science Flashcards

1

Rocks that have been changed by heat and pressure are called

sedimentary rocks
minerals
metamorphic rocks
igneous rocks

2

At what stage of the water cycle does water fall to the earth?

precipitation
storage
condensation
evaporation

3

weathering is...

water particles
the movement of weathered material
snow, sleet, and hail
any process that breaks rocks into smaller pieces

4

The blanket of air that surrounds the earth

rain
atmosphere
air pressure
fuzzy wuzzy

5

What type of soil breaks down to provide resources for making new soil?

bedrock
subsoil
topsoil
compost

6

Which of these is not a factor of climate?

rivers
altitude
landforms
sunlight

7

Melted rocks that cool and harden are called

sedimentary
igneous
geode
metamorphic

8

Which is a substance that not all soil contains?

air
humus
clay
water

9

Which is a way that valleys form?

lava flowing from a volcano
lava cools and hardens
a river cutting through rock
a puddle forms

10

Which of these is used to measure wind speed?

thermometer
rain gauge
anemometer
microscope

11

A natural, nonliving material that makes up rock

sedimentary
rock
mineral
igneous

12

The climate in Southeastern PA is...

warm and humid
mild
very cold
hot and dry

13

Rocks that harden when layers of sediment harden are called

volcanic
sedimentary
metamorphic
igneous

14

What process would most likely affect rocks in a dry climate?

erosion by water
weathering by water
weathering by plants
erosion by wind

15

All rocks are made of

granite
clay
sand
minerals

3rd Grade Pearson Earth and Science

Questions 15

3rd Grade Pearson Earth and Science

Questions 15