Middle School Science - 6th-8th Grade Review

Question 1

Why is the burning of something an example of an exothermic reaction?

Accepted Answer

Energy is released into the environment

Question 2

Why was Pluto reclassified as a dwarf planet?

Accepted Answer

It hasn't cleared its orbit of other objects

Question 3

Which type of volcano has violent eruptions due to its viscous magma?

Accepted Answer

Composite

Question 4

Why does Seattle have different seasons?

Accepted Answer

The tilt of the Earth relative to the sun

Question 5

Why are Spring tides so much higher than Neap tides?

Accepted Answer

There is a new moon

Question 6

When two nonmetals bond, what type of bond is formed?

Accepted Answer

Covalent

Question 7

A genotype with two DIFFERENT alleles is said to be:

Accepted Answer

Heterozygous

Question 8

Who has better hair?

Accepted Answer

Dr. Marti

Question 9

Which of the following is NOT a factor that impacts climate?

Accepted Answer

A warm front

Question 10

What is the average number of neutrons in a Fluorine atom?

Accepted Answer

10

Question 11

Increasing the frequency of a sound wave causes a _____________ pitch.

Accepted Answer

Higher

Question 12

What type of weather would you expect to see in South Dakota?

Accepted Answer

Cold and dry

Question 13

Which organelle is ONLY found in plant cells?

Accepted Answer

Chloroplast

Question 14

Which of the following is NOT a type of rock found on Earth?

Accepted Answer

Cementation

Question 15

What is the name of the variable that you measure to see how it is impacted during an experiment?

Accepted Answer

Dependent Variable

Question 16

Which of these animals is a whale most closely related to from an evolutionary point of view?

Accepted Answer

Hippopotamus

Question 17

Which of these is NOT one of the four nitrogen bases found in DNA?

Accepted Answer

Kerotine

Question 18

What is the correct chemical equation for photosynthesis?

Accepted Answer

H2O + CO2 + Sunlight → O2 + Glucose

Question 19

Which of these is a piece of evidence that supports Wegener's Theory of Continental Drift?

Accepted Answer

The continents fit together like puzzle pieces

Question 20

An adaptation is any trait that helps and organism __________ in its environment.

Accepted Answer

Survive and reproduce

Question 21

Which of the following are traits of a good hypothesis?

Accepted Answer

It is testable and falsifiable

Question 22

When Alka Seltzer is added to water, the total amount of mass in the system:

Accepted Answer

Stays the same

Question 23

Which of the following does NOT impact the potential energy of an object?

Accepted Answer

Its shape

Question 24

Which of these is NOT one of the six characteristics of life?

Accepted Answer

All living things eat food

Question 25

When should you use a line graph as opposed to a bar graph?

Accepted Answer

When your data is continuous (non-discrete)

Question 26

What is the first step in the Scientific Method?

Accepted Answer

Question

Question 27

How is the force of attraction of a magnet related to the distance between it and an object?

Accepted Answer

As distance increases, force decreases by a power of 2

Question 28

Which of these is NOT a characteristic of an index fossil?

Accepted Answer

Includes the entire organism

Question 29

An arch fingerprint blending with a whorl fingerprint to form a loop fingerprint is an example of:

Accepted Answer

Incomplete dominance

Middle School Science - 6th-8th Grade Review

Questions 29

Middle School Science - 6th-8th Grade Review

Questions 29