8th Science Review

Question 1

What type of information/data was collected in the "color" column on the data table below?

Accepted Answer

Qualitative

Question 2

Which question below is most likely being tested by rolling a toy car down a textured ramp?

Accepted Answer

How do different textures affect roll time down the ramp

Question 3

Which statement does the graph best illustrate?

Accepted Answer

As temperature increases, the rate of evaporation increases

Question 4

How many neutrons are in an atom of Nickel?

Accepted Answer

31

Question 5

What is most likely occurring in the area marked "L" on the map?

Accepted Answer

The air is rising at this location causing cloudy skies

Question 6

A student must complete the following chart. What are the most likely dates of the full moons?

Accepted Answer

February 25, March 27, April 25, May 24

Question 7

A soil profile is used when studying?

Accepted Answer

Aquifer Formation

Question 8

Which of these is closest to the change in elevation from "x" to "z"?

Accepted Answer

450m

Question 9

Which answer below shows that a chemical reaction occurred?

Accepted Answer

A dark color formed on the zinc metal

Question 10

Which abiotic factor is not likely present in the Texas Blind Salamanders' environment?

Accepted Answer

Light

Question 11

Which hypothesis best describes the graph where basketballs were dropped from the same height?

Accepted Answer

The rebound height depends on the surface bounced on

Question 12

Which students statement is a hypothesis?

Accepted Answer

Amy

Question 13

Which organism below has both a predator-prey and a producer-consumer relationship in its diet?

Accepted Answer

Arctic Fox

Question 14

The reaction for decomposing Hydrogen peroxide is below. What is the mass of 2H2O?

Accepted Answer

24.11g

Question 15

Which ranch animals will compete with white-tailed deer for the most food?

Accepted Answer

Goats that eat weeds and shrubs

Question 16

What is the correct measurement on instrument B?

Accepted Answer

-1.5

Question 17

Which statement is NOT supported by the students observations from the experiment.

Accepted Answer

Both substances only react at high temperatures

Question 18

Which of the following chemical equations is not correctly balanced?

Accepted Answer

NaClO3 --> 2NaCl + 3O2

Question 19

How many elements are in the following formula for Calcium Chloride - CaCl2

Accepted Answer

2

Question 20

Which statement best describes the image below?

Accepted Answer

Divergent boundary causing seafloor spreading

Question 21

The volume, in cm3, of the egg if it changed from 200mL to 125mL when pulled from the cup?

Accepted Answer

75cm3

Question 22

What is the mass of the rock on the triple beam balance?

Accepted Answer

217g

Question 23

Which tractor trailer has the greatest acceleration entering the highway?

Accepted Answer

4

Question 24

Vehicle A has a mass of 1,447kg, Vehicle B has a mass of 1,310 kg. What is the result?

Accepted Answer

B has a change in speed and is pushed to the right

Question 25

Which of the following labels best fits the graph for deer/coyote pop's over a 50 month span?

Accepted Answer

X= Time (year) Y= Population (#)

Question 26

What is the increment value between 11 and 13 on instrument C?

Accepted Answer

.2

Question 27

Which of the substances produced a chemical change?

Accepted Answer

1 and 4

Question 28

How many atoms are in the compound Cr3(NO4)4

Accepted Answer

23

Question 29

Which species is the best indicator of a healthy body of water?

Accepted Answer

Stonefly

Question 30

How many atoms are in the reactants 6CO2 + 6H20 --> C6H12O6 + 6O2

Accepted Answer

36

Question 31

Which hypothesis below was most likely being studied according to the graph?

Accepted Answer

Two species of barnacles compete for resources

Question 32

Identify the atom with 33 protons

Accepted Answer

As

Question 33

Which of the following should go in the box marked with an "X"?

Accepted Answer

Shows the direction which an object in motion is traveling

8th Science Review

Questions 33

8th Science Review

Questions 33