# 8th Grade 1st Quarter Mod. Assessment

27 Questions | Total Attempts: 104

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To assess your understanding of material covered in class.

Questions and Answers
• 1.
The variable that is changed by the scientist is the independent variable and the variable that the scientist is recording data on is the dependent variable. The dependent variable is the variable that is being measured and/or observed.  Additional variables know as the constant variables remain the same or constant throughout the experiment.  These variables must be kept constant to insure that they do not effect the outcome of the experiment. Based on the following hypothesis: If liquid fertilzer is used then the plant will grow larger, what is the independent variable?
• A.

Type of Plant

• B.

Type of Fertilizer

• 2.
Make the following conversion: 8 L = _______mL
• A.

8000.0

• B.

80.00

• 3.
Homework  may be made up for credit anytime you leave your paper in your locker, at home, in another notebook. True or False
• A.

True

• B.

False

• 4.
Classwork and projects may be turned in late for partial credit.
• A.

True

• B.

False

• 5.
The variable that is changed by the scientist is the independent variable and the variable that the scientist is recording data on is the dependent variable. The dependent variable is the variable that is being measured and/or observed.  Additional variables know as the constant variables remain the same or constant throughout the experiment.  These variables must be kept constant to insure that they do not effect the outcome of the experiment. Based on the following hypothesis: If liquid fertilzer is used then the plant will grow larger, what is the dependent variable?
• A.

Type of Plant

• B.

Amount of Plant Growth

• 6.
Based on the experiment above and this hypothesis: If dry powder fertilizer is used then the plant will grow larger, check all the variables that should remain the same or constant.
• A.

Amount of water used

• B.

Type of soil

• C.

Type of plant

• 7.
A graduated cyclinder is used to measure the volume of a substance.  Remember to ONLY measure to the accuracy of the instrument. This graduated cylider measures to the nearest mL. What is/are theacceptable volumes of this liquid to the nearest mL?
• A.

30 mL & 40 mL

• B.

36 mL & 37 mL

• 8.
• A.

C

• B.

B

• 9.
What letter represents the course adjustment?
• A.

G

• B.

H

• 10.
• A.

A

• B.

B

• 11.
What letter represents the revolving nosepiece?
• A.

A

• B.

B

• 12.
When using high power, this adjustment knob SHOULD NOT BE USED OR TOUCHED?
• A.

H

• B.

I

• 13.
This is where the slide is placed for viewing, it is called the stage.  What letter is this?
• A.

F

• B.

G

• 14.
Using your notebook answer the following question. On what date did the class look at prokaryotes and eukaryotes.  Hint: Check your TOC in your notebook.
• A.

9/3

• B.

10/3

• 15.
On what page is the lab safety blueprint found in the science notebook?
• A.

1

• B.

2

• 16.
On page 2 in the notebook, students completed a lab called  ______?
• A.

The Banana Lab

• B.

The Candle Lab

• 17.
The formula for density is:
• A.

Density = mass divided by volume

• B.

Density = mass multiplied by volume

• 18.
Looking at the homework on page 7 in the notebook, items with the same mass all floated?
• A.

True

• B.

False

• 19.
On page 8 in notebook the answer to number 16 is ______________?
• A.

Type of Soap

• B.

Size of Bubble

• 20.
What is a variable that was kept constant during the hoop airplane experiment?
• A.

Size of Straw

• B.

Size of Hoops

• 21.
On page 10 in your notebook, what type of review game was played?
• A.

Millionaire

• B.

Jeopardy

• 22.
What do organisms need to live?  CHECK ALL THAT APPLY.
• A.

Food

• B.

Water

• C.

Oxygen

• 23.
Using page 15 from notebook answer this question, In the 1660's what scientist discovered cells?
• A.

Leewenhoek

• B.

Hooke

• 24.
In 1670's what scientist described microorgansims in pond water?
• A.

Leewenhoek

• B.

Hooke

• 25.
This picture best represents ______?
• A.

Diffusion

• B.

Osmosis

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