Quiz about 2nd Grade Earth Rocks Curriculum Guide

Question 1

What is the texture of a rock?

Accepted Answer

Rough

Answer

Smooth

Answer

Coarse

Answer

Polished

Question 2

The color of a rock is:

Accepted Answer

Gray

Answer

Brown

Answer

Black

Answer

Red

Question 3

The shape of a rock is ______.

Accepted Answer

Irregular

Answer

Rounded

Answer

Angular

Answer

Oblong

Question 4

What is luster in rocks?

Accepted Answer

shiny

Accepted Answer

dull

Question 5

Sand is a naturally occurring granular material composed of finely divided rock and mineral particles.

Accepted Answer

Granular material

Answer

Liquid substance

Answer

Gaseous substance

Answer

Metallic alloy

Question 6

Boulder is a large rock.

Accepted Answer

A large rock

Answer

A small rock

Answer

A mountain

Answer

A pebble

Question 7

What is a pebble.

Accepted Answer

A small stone

Answer

A type of rock formation

Answer

A liquid sediment

Answer

A metallic particle

Question 8

Soil is a natural resource composed of minerals and organic matter.

Accepted Answer

A natural resource composed of minerals and organic matter

Answer

A liquid

Answer

A gas

Answer

None of the above

Question 9

A stone is a rock.

Accepted Answer

It is a rock

Answer

It is a vegetable

Answer

It is a liquid

Answer

It is an animal

Question 10

Grain in rocks refers to the individual crystals or particles that make up the rock.

Accepted Answer

Individual crystals

Answer

Sedimentary layers

Answer

Organic matter

Answer

Fossils

Question 11

Gravel is a loose aggregation of rock fragments.

Accepted Answer

A loose aggregation of rock fragments

Answer

A type of soil

Answer

Sand

Answer

Concrete

Question 12

What is the weight of a rock?

Accepted Answer

heavy

Answer

light

Question 13

The properties of rocks can be described by their mineral composition, texture, and structure.

Accepted Answer

Mineral composition, texture, and structure

Answer

Mineral composition only

Answer

Texture only

Answer

Mineral composition and texture

Question 14

Select the correct statement about rocks.

Accepted Answer

Rocks are naturally occurring solids composed of minerals.

Answer

Rocks are man-made objects.

Answer

Rocks are liquids.

Answer

Rocks are gases.

Question 15

Rocks can be found in the Earth's crust.

Accepted Answer

The Earth's crust

Answer

The atmosphere

Answer

Outer space

Answer

The ocean floor

Question 16

How did you group sort the rocks? Select the correct grouping criteria.

Accepted Answer

By size

Answer

By color

Answer

By shape

Answer

By type

Question 17

There is another way you can sort the rocks.

Accepted Answer

True

Answer

False

Question 18

Select how a skipping rock is different from a rock you use to draw pictures on the pavement.

Accepted Answer

It is smooth and flat.

Answer

It is rough and textured.

Answer

It is larger in size.

Answer

It is heavier.

Question 19

What are the vocabulary words related to today's task?

Accepted Answer

shape

Accepted Answer

luster (shiny/dull)

Accepted Answer

rock

Accepted Answer

color

Accepted Answer

size

Question 20

The size and shape of a resting rock is different from a wishing rock in that ______.

Accepted Answer

the resting rock is larger and has a more irregular shape than the wishing rock

Answer

the resting rock is smaller and has a smoother shape than the wishing rock

Answer

both rocks are identical in size and shape

Answer

the resting rock is heavier, but their shapes are similar

Question 21

A splashing rock exhibits a shape that is irregular and a size that is small.

Accepted Answer

irregular and small

Answer

regular and medium

Answer

circular and large

Answer

oval and tiny

Question 22

The main difference between pebbles and the other rocks discussed so far is that pebbles are smooth and rounded.

Accepted Answer

Pebbles are smooth and rounded.

Answer

Pebbles have the same texture as the other rocks.

Answer

Pebbles are rough and angular.

Answer

Pebbles are larger than the other rocks.

Question 23

The rocks became part of the Earth through a process of accretion during planetary formation.

Accepted Answer

They accreted during the formation of the Earth.

Answer

They were delivered by meteorites.

Answer

They formed separately and joined later.

Answer

They are not part of the Earth.

Question 24

Scientists use tools to study and describe our rocks because they provide ways to analyze the rock properties.

Accepted Answer

They provide ways to examine rock structures and properties

Answer

They serve as decorative items for rocks

Answer

They eliminate the need for direct observation

Answer

They are used only for field work

Question 25

The properties of rocks include hardness, texture, and chemical composition.

Accepted Answer

Hardness, texture, and chemical composition

Answer

Hardness and temperature

Answer

Texture and weight

Answer

Chemical composition and magnetism

Question 26

Scientists must be very detailed in measuring and describing/recording observations because it ensures accuracy, reproducibility, and allows others to validate the findings. Which of the following best summarizes this importance?

Accepted Answer

It ensures that experiments can be accurately repeated and verified by others.

Answer

It helps to decorate scientific reports.

Answer

It allows for random guessing in results.

Answer

It makes experiments unnecessarily complicated.

Question 27

Scientists share their observations/finding with other scientists to enable verification and support further research. Why is this important?

Accepted Answer

It allows for independent verification through peer review.

Answer

It increases public interest in science.

Answer

It helps scientists avoid repeating each other's work.

Answer

It accelerates the pace of competitive research.

Question 28

Fill in the blank: Students will share their second rock observations and compare how the size and shape of the rock was different from Rock #1 from Day 3.

Accepted Answer

Students will share their second rock observations and compare how the size and shape of the rock was different from Rock #1 from Day 3.

Answer

Students will share their first rock observations and compare how the texture and color of the rock was different from Rock #1 from Day 3.

Answer

Students will share their second rock observations and compare how the weight and density of the rock differed from Rock #1 from Day 3.

Answer

Students will compare their second rock observations with rocks from another experiment instead of Rock #1 from Day 3.

Question 29

Spenser sorted his rocks by color, size, and shape.

Accepted Answer

by color, size, and shape

Answer

by weight

Answer

by temperature

Answer

by age

Question 30

What are some words Spenser used to describe the rocks in his collection?

Accepted Answer

ancient and rugged

Answer

beautiful and smooth

Answer

polished and evenly rounded

Answer

hard and unyielding

Question 31

Spenser found his rocks in the quarry.

Accepted Answer

in the quarry

Answer

in the garden

Answer

in the forest

Answer

in the river

Question 32

A geologist is a scientist who studies the Earth, its materials, and the processes that shape it.

Accepted Answer

A geologist is a scientist who studies the Earth, its materials, and the processes that shape it.

Answer

A geologist is a professional who designs computer software.

Answer

A geologist is an expert in financial markets.

Answer

A geologist is a medical doctor specialized in geology-related diseases.

Question 33

Spenser discovered igneous, sedimentary, and metamorphic rocks.

Accepted Answer

Igneous, sedimentary, and metamorphic rocks

Answer

Sedimentary, metamorphic, and crystalline rocks

Answer

Volcanic, sedimentary, and granite rocks

Answer

Igneous, sedimentary, and limestone rocks

Question 34

Some properties of the rocks include texture, color, and composition.

Accepted Answer

Texture, color, and composition

Answer

Weight, density, and size

Answer

Smell, taste, and temperature

Answer

Hardness, elasticity, and magnetism

Question 35

Identify how their shapes and sizes differ.

Accepted Answer

They differ in both shape and size.

Answer

They are the same in shape and size.

Answer

They differ in shape only.

Answer

They differ in size only.

Question 36

Mountains in the video are made of __________.

Accepted Answer

Rocks

Answer

Ice

Answer

Soil

Answer

Water

Question 37

Pieces of rock get from the top of the mountain to the bottom primarily due to:

Accepted Answer

Landslides

Answer

Wind erosion

Answer

River transport

Answer

Glacial movement

Question 38

Rocks are made up of:

Accepted Answer

Minerals

Answer

Organic matter

Answer

Water

Answer

Soil

Question 39

Select one way in which rocks are used.

Accepted Answer

Construction

Answer

Decoration

Answer

Medicine

Answer

Entertainment

Question 40

Low scores in the unit assessment may be a result of lack of preparation, misunderstanding content, or test anxiety.

Accepted Answer

All of the above

Answer

Lack of preparation

Answer

Misunderstanding content

Answer

Test anxiety

Question 41

Students can choose from various activities for their final unit reflection. For example, Essay and Presentation are two of the options.

Accepted Answer

Essay and Presentation

Answer

Essay and Group discussion

Answer

Presentation and Multimedia project

Answer

Group discussion and Multimedia project

Question 42

The purpose of the Wondering Wall mentioned in the document is:

Accepted Answer

To allow community members to share and explore ideas

Answer

To display art and cultural expressions

Answer

To collect data on visitor habits

Answer

To advertise products and services

Question 43

Which of the following is a resource listed under 'Other Content-Specific Resources'?

Accepted Answer

All of the above

Answer

Science Games for Kids: Rocks, Minerals, and Soils

Answer

National Geographic Rocks and Minerals Read Aloud

Answer

Be a Rock Detective! SciShow Kids

Question 44

What is the main goal of the Citizen Scientist Project mentioned in the document? Convert to an MCQ with a short and concise answer.

Accepted Answer

To empower citizens to contribute to scientific research by collecting and analyzing data.

Answer

To develop new technology for scientific research.

Answer

To decrease public involvement in research.

Answer

To promote citizen awareness about environmental policies.

Question 45

Benito and his father took a walk. Benito found these rocks. Which statement can you make about these rocks?

Accepted Answer

These rocks are different sizes.

Answer

These rocks are the same size.

Answer

These rocks are the same color.

Answer

These rocks are the same shape.

Question 46

Inez had four rocks. Rock 1 is small, round, and brown. Rock 2 is small, round, and white. Rock 3 is large, round, and white. Rock 4 is large, square, and white. Inez put Rock 1 and Rock 2 in the same group. What property did Inez use to sort Rock 1 and Rock 2 into the same group?

Accepted Answer

by shape and size

Answer

by color

Answer

by size and color

Answer

by shape and color

Question 47

Abby and Nora both measure the rocks on the balance. Abby says the rocks are the same. Nora says they are different. What is the difference Nora sees?

Accepted Answer

they have different colors

Answer

they have different shapes

Answer

they have different sizes

Answer

they have different weights

Question 48

Quan wants to know what Earth is made up of. What would you tell him?

Accepted Answer

Earth is made up of rocks.

Answer

Earth is made up of water.

Answer

Earth is made up of air.

Answer

Earth is made up of fire.

Question 49

Which is smallest?

Accepted Answer

a grain of sand

Answer

a pebble

Answer

a rock

Answer

a boulder

2nd Grade Earth Rocks Curriculum Guide

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