Quiz about M2 : MISSION SCI - STAAR INTERIM REVIEW

Question 1

Beat = Mixing

Accepted Answer

Steps 4 Only

Answer

Steps 3 & 4 Only

Answer

Steps 1,2,3

Answer

Steps 1,3,4

Question 2

What position would the sun have to be in to make this diagram correct?

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 3

What holds Earth in its Orbit around the Sun?

Accepted Answer

Gravitational attraction between Earth and the Sun

Answer

Gravitational attraction between Earth and Venus

Answer

Gravitational attraction between Earth and Mars

Answer

Gravitational attraction between Earth and the Moon

Question 4

More biodiversity the healthier and stronger the ecosystem

Accepted Answer

Forest

Answer

Wetland

Answer

Desert

Answer

Grassland

Question 5

What would happen if the Dragonfly population was eliminated from the ecosystem due to disease.

Accepted Answer

The Mayfly population would eventually be eliminated in the ecosystem as well

Answer

The Heron population would decrease overtime

Answer

The fish population would increase overtime

Answer

Phytoplankton would decease overtime

Question 6

Abiotic factors (non living things) Biotic Factors (living things)

Which of these is FALSE / NOT TRUE

Accepted Answer

Water and sunlight are Biotic Factors

Answer

Nutrients in soil are abotic factors

Answer

Plants in a garden are Biotic factors

Answer

Bacteria in a rotting log are Biotic factors

Question 7

Accepted Answer

Mitochondria make ATP energy while Chloroplast make Glucose sugar

Answer

Both are found in Animal Cells

Answer

Both are found in Plant Cells

Answer

Mitochondria and Chloroplast are the control centers of the cell

Question 8

Which is NOT part of cell theory

Accepted Answer

All cells are 100% alike

Answer

Every living organism is made of cells

Answer

Cells are the basic structure and unit of living things

Answer

All new cells come from pre-existing cells

Question 9

Accepted Answer

Kittens inherited different versions of genes from each parent

Answer

Kittens fur colors are adapted to different environments

Answer

Kittens picked their fur color of choice

Answer

Kittens different colors come from their diets

Question 10

Pictured is a strawberry plant ASEXUALLY reproducing an offspring. Which statement is true?

Accepted Answer

Since the offspring came from ONE parent, its DNA will be genetically Identical or exactly the same as the parent.

Answer

Since the offspring came from ONE parent, its DNA will be genetically diverse or different from the parent.

Answer

The offspring will be more genetically diverse from the parent because the DNA changes over time

Answer

The offspring depends on two parents for its genetic material

Question 11

Which best describes the image?

Accepted Answer

Human activities such as using pesticides and waste dumping have led to surface water pollution.

Answer

Polluted water flows from the mountains into lakes and downstream.

Answer

The image shows good practices to maintain a healthy watershed.

Answer

Human activites such as using pesticides and waste dumping polluting ground water

Question 12

Which two organisms in the food web are photosyntetic producers?

Accepted Answer

Plankton & Kelp

Answer

Sea Urchins & Kelp

Answer

Plankton & Humans

Answer

Kelp & Sea Otters

Question 13

Which is true about the physical properties of elements?

Accepted Answer

Gold is lustrous, malleable, and a good conductor. Sulfur is Dull, Brittle, and an insulator

Answer

Sulfur is lusterous, malleable, and a good conductor. Gold is Dull, Brittle, and an insulator

Answer

Gold is a metalloid while Sulfur is a Non metal

Answer

Gold is a Metal and Sulfur is a Metalloid

Question 14

This Compound Contains.....

Accepted Answer

4 Non metals

Answer

2 Metals and 2 Non metals

Answer

4 Metals

Answer

2 Metals 1 Metalloid 1 Non Metal

Question 15

Accepted Answer

Sugar Dissolving

Answer

Leaves Decaying / Decomposing

Answer

Paper Burning

Answer

Nail Rusting

Question 16

Select TWO chemical changes. (cooking and frying both mean the egg goes to clear to white)

Accepted Answer

A,B

Answer

A,E

Answer

C,D

Answer

B,C

Question 17

Find the missing Mass according to the Law of Conservation of Mass.

Accepted Answer

6.1g

Answer

6.4g

Answer

3.7g

Answer

6.8g

Question 18

NOT

Accepted Answer

When the student stops stirring, one of the liquids rises to the top of the flask, while the other sinks to the bottom.

Answer

The flasks heats up on its own.

Answer

A new Odor is produced.

Answer

Bubbles of gas form in the flask, and the mixture continues bubbling for several seconds after the student tops stirring.

Question 19

Which Trophic Level of the energy pyramid has the MOST ENERGY?

Accepted Answer

Producers

Answer

Primary Consumers

Answer

Tertiary Consumers

Answer

Quaternary Consumers

Question 20

What kind of Mixture is this and why?

Accepted Answer

Homogenous, because the particles are evenly distributed

Answer

Heterogenous, because the particles are NOT evenly distributed

Answer

Homogenous, because the particles are two colors only

Answer

Heterogenous, because the particles are two colors only

Question 21

CH₃COOH - is the Chemical Formula for Vinegar.

Which Statement is true?

Accepted Answer

There are 3 Elements and 8 atoms.

Answer

There are 8 Elements and 3 atoms.

Answer

There are 3 Hydrogen in the Molecule.

Answer

There are metals, nonmetals, and METALLOIDS in this Molecule.

Question 22

Which segment has the fastest rate of speed? (hint** Look at slopes)

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 23

Based on Newtons 1st Law, explain what happens with the seatbelt for the car on the right to change the guys motion?

Accepted Answer

The seatbelt must apply more force to change the motion of the guys inertia

Answer

The seatbelt must apply more less force to change the motion of the guys inertia

Answer

The seatbelt must apply the same force to change the motion of the guys inertia

Answer

No forces are applied to the guy from the seatbelt

Question 24

Energy can not be created nor destroyed it only changes forms, what is this principle called?

Accepted Answer

Law of Conservation of Energy

Answer

Law of Mass Exchange

Answer

Law of Conservation of Force

Answer

Law of Molecules

Question 25

Which is most likely the explanation for this?

Accepted Answer

The environment changed to darker colors allowing the dark rabbits to better camouflage from predators and reproduce.

Answer

The dark rabbits are more hunted cause they are easier to identify for predators.

Answer

The rabbis decided to change their own fur color to increase chances of survival

Answer

Predators were saving the dark rabbits for last as they as the most tasty snacks.

Question 26

What kind of Mixture is this and why?

Accepted Answer

Heterogenous, because the particles are NOT evenly distributed

Answer

Homogenous, because the particles are evenly distributed

Answer

Homogenous, because the particles are two colors only

Answer

Heterogenous, because the particles are two colors only

Question 27

How many Hydrogen Atoms are in the REACTION side?

Accepted Answer

12

Answer

6

Answer

24

Answer

18

Question 28

According to Newtons 2nd Law (f=ma), if Jimmy applies a force of 150N forward but the ground has a friction force of 50N then what is his Net Force?

Once you find net force put it into the triangle with the total mass (20kg) and solve for Jimmys acceleration.

Accepted Answer

A = 5 m/s2

Answer

A = 10 m/s2

Answer

A = 6.5 m/s2

Answer

A = 0.2 m/s2

Question 29

According to Newtons 3rd Law What happens at the point of contact between the two cars?

Accepted Answer

The cars will hit each other with equal and opposite forces.

Answer

Both cars will hit each other with different speeds and different forces.

Answer

The car on the right will hit the right car with more force changing their direction.

Answer

The car on the left will hit the right car with more force changing their direction.

Question 30

Which describes the potential / kinetic energy in the orange going into green part of the picture?

Accepted Answer

At the top of the hill potential energy is greatest and as it goes to green potential energy changes to kinetic energy

Answer

At the top of the hill there is more kinetic energy and as you go to the green there is more potential energy

Answer

Energy is created as the car goes from orange to green as it picks up speed

Answer

At the top of the hill there is 50% potential energy and 50% kinetic energy. As it goes to green it becomes all potential

Question 31

How many CARBON Atoms are in the REACTION side?

Accepted Answer

6

Answer

24

Answer

12

Answer

18

Question 32

Tertiary Consumers get their energy directly from who?

Accepted Answer

Secondary Consumers

Answer

Producers

Answer

Primary Consumers

Answer

The Sun

Question 33

Which segment had the greatest average speed (use the SPEED formula / Triangle)?

Accepted Answer

Segment 3

Answer

Segment 1

Answer

Segment 2

Answer

Segment 4

Question 34

Which motion graph has an average speed of 0m/s, STOPPED, no change in motion?

Accepted Answer

A

Answer

B

Answer

C

Answer

F

Question 35

Which letter shows the cart with the greatest kinetic energy AND lowest potential energy?

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 36

What is the net force acting on the object and what is the motion after the forces are applied?

Accepted Answer

1002N accelerating to the right

Answer

1002N constant to the right

Answer

3710N accelerating to the right

Answer

3710N constant to the right

Question 37

If the reactants have 4 Hydrogen then how much should the Products have?

Accepted Answer

4

Answer

1

Answer

2

Answer

3

Question 38

What is the energy transformation occurring here?

Accepted Answer

Electrical -> light energy -> sound energy

Energy was not created nor destroyed

Answer

Electrical -> Thermal -> Radiant -> Sound

Energy was not created nor destroyed

Answer

Chemical Potential -> Electrical -> Nuclear -> Light

Energy was created but not destroyed

Answer

Electrical -> Mechanical -> Kinetic

Energy was not created nor destroyed

Question 39

What is the energy transformation occurring from the windmill to the powerlines?

Accepted Answer

Mechanical -> Electrical

Answer

Electrical -> Mechanical

Answer

Nuclear -> Electrical

Answer

Potential -> Kinetic

Question 40

Which of newtons laws is MOST demonstrated here?

Accepted Answer

Newtons 1st law of Inertia

Answer

Newtons 3rd Law of Inertia

Answer

Newtons 1st Law of F=MA

Answer

Newtons 2nd Law of Action Reaction

Question 41

How many ELEMENTS are in this compound of SODIUM HYPOCHOLORITE?

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 42

Does this chemical equation represent the Law of Conservation of Mass, if so why?

Accepted Answer

Yes, matter hasnt been created or destroyed from either side of the equation theyre balanced

Answer

No, matter has been destroyed and both sides of the equation do not properly balance

Question 43

Which motion graph shows forward motion at a constant rate?

Accepted Answer

B

Answer

A

Answer

C

Answer

F

Question 44

How many CARBON atoms are in this molecule?

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 45

Does this chemical equation represent the Law of Conservation of Mass, why or why not?

Accepted Answer

No, matter has been destroyed and both sides of the equation do not properly balance

Answer

Yes, matter hasnt been created or destroyed from either side of the equation theyre balanced

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