Changing Earth's Landforms
Plant Classification
Animal Classification
Cells
Microorganisms
100

How is a new land feature formed from lava?

A) by the constructive process of lava hardening

B) by the destructive process of lava flow carrying sediment away by erosion

C) by the destructive process of lava weathering rock to carve a new landform in the volcano

D) by the constructive process of lava depositing sediment 

A) by the constructive process of lava hardening

100

Which of the following is a type of non-flowering plant?

A) tulip

B) orange tree

C) rose bush

D) pine tree

D) pine tree

100

Jenny sees an animal in a pond by her house. This animal has moist skin with no scales and lives in the water. It uses lungs to breathe. 

What kind of animal did Jenny see?

A) mammal

B) fish

C) reptile

D) amphibian

D) amphibian

100

A cell contains

A) only empty space

B) a gel-like liquid with no structures

C) bacteria and other small organisms

D) smaller structures that help it do its job

D) smaller structures that help it do its job

100

Tanya thinks that bacteria can be harmful to humans. She learned that E. coli is a bacteria that is found in the intestines of humans. She also learned that different strains of E. coli affect the intestines differently. Which effect of E. coli supports Tanya's claim that bacteria can be harmful to humans?

A) Some strains of E. coli increase absorption of nutrients.

B) Some strains of E. coli damage the intestinal wall.

C) Some strains of E. coli increase digestion of food.

D) Some strains of E. coli produce vitamin K.

B) Some strains of E. coli damage the intestinal wall.

200

Nancy wants to find out how the steepness of a hill's slope affects the amount of soil that erodes from it. She has soil, a long pan, and a pile of books with which to build a model hillside. She has a watering can to model rainfall. 

In her experiment, which of the following should she make sure she doesn't change?

A) the time of day

B) the steepness of the slope

C) the amount of light she uses

D) the amount of water being poured

D) the amount of water being poured

200

Look at the table of plant characteristics. Which plant would be best classified in the same group as a fern that has spores, but does not have flowers, cones, or seeds?

A) cypress

B) algae

C) moss

D) cucumber 

C) moss

200

Which of the following is an invertebrate (has an exoskeleton)?

A) flying squirrel

B) rattlesnake

C) honeybee

D) robin

C) honeybee

200

Which of these statements is true about plant and animal cells?

A) Animal cells are surrounded only by cell membranes, and plant cell are surrounded only by cell walls.

B) Animal cells contain mostly sugar, and plant cells contain mostly water.

C) Plant cells are usually much smaller than animal cells because plants have more cells than animals.

D) Plant cells are usually shaped like boxes with flat sides, but animal cells can have many different shapes.

D) Plant cells are usually shaped like boxes with flat sides, but animal cells can have many different shapes.

200

After the oil spill in the Gulf of Mexico, one of the treatments included the addition of harmless, oil-eating bacteria.

How could this be better than more traditional methods of cleaning up oil spills?

A. The use of the bacteria, alone, could take years to completely remove the oil.
B. The addition of other harmful chemicals may be needed to speed up the process.
C. The bacteria can break down harmful substances into simpler, less toxic substances.
D. When the bacteria finally die, it removes needed oxygen from the water.


C. The bacteria can break down harmful substances into simpler, less toxic substances.

300

Which of the following processes makes mountains become lower and rounder as they age (instead of tall and jagged)?

A) volcanic eruptions

B) weathering

C) converging faults 

D) deposition

B) weathering

300

Flowering plants use flowers, which produce pollen and seeds, to reproduce. Many non-flowering plants, such as ferns and mosses, 

A) use fruit to reproduce

B) use spores to reproduce

C) also use flowers to reproduce

D) use cones to reproduce 

B) use spores to reproduce

300

Birds, lizards, and amphibians are very different groups of animals. However, these groups share some qualities that help them survive. Which of the following is an example of such a quality?

A) produce milk to feed their young 

B) reproduce by laying eggs

C) cold-blooded

D) all of these

B) reproduce by laying eggs

300

James' science class is doing a lab investigation on cells. His teacher gives them each a cotton swab to collect cheek cells from their mouths. They then smear the cheek cells onto a glass slide and look at the cells under a microscope. 

What can James expect all of her cheek cells to contain?

A) a chloroplast

B) a nucleus

C) a cell wall

D) all of these

B) a nucleus

300
Microorganisms are almost everywhere on planet Earth, but they are too small to see. Some microorganisms cause diseases.

But other microorganisms are helpful, and play roles in _______.

 A) providing sunlight
 B) creating water
C) decomposition
 D) melting snow



C) decomposition

400

Janet was swimming in a lake that was fed by a medium-sized stream. She noticed that near the place where the stream entered the lake, the water was shallow, and the sediment on the lake bottom was much deeper. 

What natural process is responsible for the deep sediment?

A) weathering

B) volcanic eruption

C) deposition

D) erosion

C) deposition

400

Which of the following types of plant produces seeds inside of a protective cone?

A) mosses

B) ferns

C) conifers

D) flowering plants

C) conifers

400

Which of the following is a vertebrate?

A) lobster

B) clam

C) shrimp

D) trout

D) trout

400

DAILY DOUBLE

Describe the function/job of the following organelles in a cell.

Nucleus- 

Cell Wall- 

Cell Membrane- 

Cytoplasm- 

Chloroplast-

Nucleus- control center; controls the activities of the cell; contains the DNA

Cell Wall- protects; gives structure and shape to the plant cell

Cell Membrane- allows nutrients and water in and keeps bad materials out

Cytoplasm- gel-like fluid that holds the organelles in place

Chloroplast- uses sunlight to make food for the plant cell

400

Salmonella is a bacteria that can be found in raw and undercooked poultry. Which statement provides evidence that Salmonella can be harmful to humans?

 A) Salmonella is found in raw and undercooked chicken.
 B) When viewed under a microscope, Salmonella appears to be rod-shaped.
 C) All bacteria, including Salmonella, are harmful to humans.
D) Each year about one million people become ill from foodborne Salmonella.


D) Each year about one million people become ill from foodborne Salmonella.

500

Jessica made a stream table by putting some sand on a cookie sheet. She tilted the sheet and ran water down it. 

Which of these could Jessica learn from the stream table?

A) how erosion caused by running water shapes land

B) how freezing water causes weathering

C) how to protect streams from too much erosion

D) how running water weathers stone

A) how erosion caused by running water shapes land

500

What characteristics of a plant can be used to classify it into a group with similar plants?

A) whether it produces seeds

B) whether it grows flowers

C) whether it has a stem

D) all of these

D) all of these

500

DAILY DOUBLE

What are the 5 types of vertebrates and which are classified as warm-blooded?


Birds - warm-blooded

Mammals- warm-blooded

Fish

Amphibians

Reptiles

500

Use the following word bank to label the model of the plant Elodea (plant used in aquariums). Not all words will be used. 

Word Bank: cell membrane, vacuoles, cell wall, chloroplast, cytoplasm


1st: cell membrane

2nd: chloroplast

3rd: cytoplasm

4th: cell wall

500

Give two examples of how microorganisms can be beneficial. 

Give two examples of how microorganisms can be harmful.

Beneficial: 

- making foods (yeast in bread, cheese, yogurt)

- antibiotics (from fungus)

- good bacteria in your intestines that help with digestion

- decomposing dead plants and releasing nutrients in the soil


Harmful:

- diseases and sicknesses (flu, strep, botulism, etc...)

- fungus on plants that kills them

- improperly cooked foods

- Red Algae kills animals in water

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