5 Gravity is the force that pulls objects toward Earth.
6 Land forms are always changing Land forms are always changing. Deposition is one process that changes land forms. What kind of force is deposition?A- constructiveB- chemicalC- destructiveD- electrical
7 A is the correct answerDeposition is a constructive force.
8 The land forms we see today e the result of what kinds of forces? A- constructive forces onlyB- destructive forces onlyC- neither constructive nor destructiveD- both constructive and destructive
9 D is the correct answerConstructive forces and destructive forces together shape the land forms we see today.
10 Which of these causes rock to be slowly broken down into soil? LandslideWeatheringEarthquakeFossilization
11 B is the correct answerWeathering is a process that slowly breaks down rock and turns it into soil.
12 What word describes all of the energy resources that were formed from the remains of plants and animal over millions of years?A- oilB- inexhaustible resourcesC- solar energyD- fossil fuels
13 D is the correct answerFossil fuels are all of the fuels that were formed over millions of years from the remains of plants and animals.
14 Which natural resource is formed from the remains of plants that died millions of years ago? A- waterB- lumberC- coalD- soil
15 C is the correct answerCoal is formed over millions of years from the remains of dead plants.
16 Soil is made up of different parts, or ingredients Soil is made up of different parts, or ingredients. What part of soil is made up of decayed remains of plants and animals.A- clayB- sandC- siltD- humus
17 D is the correct answerHumus is the decayed remains of plants and animals.
18 Beaches are often made of sand Beaches are often made of sand. The sand is carried to the beach by waves, which drop the sand on the shore. What is the name of this process?A- sedimentB- land formC- depositionD- abrasion
19 C is the correct answerDeposition is the process by which sand and sediments are laid down by waves.
20 Ocean waves pick up sand and soil from the shore Ocean waves pick up sand and soil from the shore. What is this process called?A- chemical weatheringB- erosionC- depositionD- sediment
21 B is the correct answerWhen ocean waves pick up materials, it is called erosion.
22 What type of energy causes the evaporation of water from lakes, oceans, and rivers? A- mechanical energyB- electrical energyC- solar energyD- potential energy
23 C is the correct answerSolar energy causes the evaporation of water from Earth’s surface. Evaporation from Earth’s surface is an important part of the water cycle.
24 Some farmers leave dead crop plants in the field over the winter Some farmers leave dead crop plants in the field over the winter. What does this prevent?A- rock formationB- soil erosionC- nitrogen fixationD- soil formation
25 B is the correct answerA cover of dead plant materials helps prevent soil erosion.
26 Which of these is a renewable resource? A- oilB- coalC- woodD- natural gas
27 C is the correct answerWood is a resource that can be replaced in a relatively short period of time. It is a renewable resource.
28 Which part of the water cycle can take the form of rain, snow, sleet, or hail? A- transpirationB- evaporationC- condensationD- precipitation
29 D is the correct answerPrecipitation is the process by which water returns to Earth’s surface. Rain, snow, sleet, and hail are all forms of precipitation.