Free Sample Iowa Assessments Grade 8 Science

Sample Iowa Assessments Grade 8 Science

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Look for key differences between the plant and animal cells.

1 / 10

1) Which of the following plant cell parts gives the plant support and is not part of animal cells?

A) cell membrane

B) cell wall

C) chloroplastscytoplasm

D) chloroplasts

Notice what kind of cell is it?

2 / 10

2) This picture shows an animal cell. Name the part labeled #3.
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A) cell wall

B) cell membrane

C) chloroplast

D) nucleus

Look for similarities and differences between animal and plant cells.

3 / 10

3) Plant and animal cells have some similarities as well as differences. What is one thing that plant and animal cells have in common?

A) nucleus

B) chloroplasts

C) chlorophyll

D) cell wall

Refer to the five-kingdom classification system proposed by biologist Robert H. Whittaker.

4 / 10

4) All organisms are divided into kingdoms: Animal, Plant, Protist, and Fungi. What is the fifth kingdom that is recognized by scientists?

A) Virus

B) Organis

C) Bacteria

D) Monera

Look for Prokaryotes.

5 / 10

5) In which kingdom would you find unicellular organisms that do NOT have nuclei?

A) Monera

B) Fungi

C) Plant

D) Protista

What kingdom of organisms have photosynthesis?

6 / 10

6) Fill in the blank.
If an organism is multicellular and makes its own food, it must be a member of the______________ kingdom.

A) Monera

B) Protista

C) Plant

D) Animal

Value difference is also called what?

7 / 10

7) Between an area of high concentration and one of low concentration there is____ .

A) an equilibriuman isotonic solution

B) a concentration gradient

C) a protein channel

D) an isotonic solution

Without using energy...

8 / 10

8) Which of the following is true about passive transport?

A) It requires energy to create a higher concentration of materials inside the cell.

B) It does not allow material to diffuse.

C) It requires energy to create a higher concentration of materials outside the cell.

D) It allows particles to pass without the use of the cell's energy.

Key word is "active".

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9) What is needed for material to enter the cell membrane through active transport?

A) the cell's energy

B) a hypotonic solution

C) a higher concentration of material outside the membrane

D) a higher concentration of material inside the membrane

Look for natural and passive diffusion.

10 / 10

10) What is the term for a fluid moving across a membrane from an area of high concentration to one of low concentration?

A) facilitated diffusion

B) osmosis test

C) endocytosis

D) active transport

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Iowa Assessments Prep – Grade 8

Free Sample Iowa Assessments Grade 8 Science

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