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STAAR REVIEW

Total questions: 66

Worksheet time: 11mins

Name
Class
Date
1.
How many Oxygen (O) atoms are in this formula?
a)
4
b)
1
c)
8
2.
The bunnies below have the same two parents. Why do they look different?
a)
They each inherited a different gene combination due to sexual reproduction
b)
They share the same exact genetic make-up
c)
They are identical clones
d)
They are formed from asexual reproduction
3.
A rock is sitting on the ground. This rock is motionless because
a)
there are no forces acting up on it
b)
the forces acting upon the rock are balanced
c)
the forces acting upon the rock are unbalanced
4.
As the roller coaster car travels down the hill
a)
kinetic energy increases and potential energy decreases
b)
kinetic energy decreases and potential energy increases
5.
When a person eats a sandwich, and then rides their bike - they are converting
a)
kinetic energy to chemical potential energy
b)
chemical potential energy to kinetic energy
6.
Which of the following is a CHEMICAL reaction?
a)
Chopping wood
b)
Stomach digesting food
c)
Drawing with chalk
d)
Sharpening a pencil
7.
Which of the following is an example of a chemical reaction?
a)
Fireworks turning colors in the sky
b)
Water evaporating
c)
Ice melting
d)
Rock breaking
8.
When a person hits a ball with a bat, according to Newton's 3rd Law, what other force is taking place?
a)
The ball hits the ground with the same force
b)
the ball hits the bat with an opposite and equal force
c)
the bat pushes back on the hitters hand
d)
the ball will apply twice the force on the air
9.

A grocery cart is pushed with a force of 30 newtons. It has a mass of 10 grams. What is acceleration of the cart?

(a)  

10.
How many atoms are in glucose?
a)
6
b)
12
c)
18
d)
24
11.
How many atoms are in Salt?
a)
1
b)
2
c)
3
d)
4
12.
This organelle is NOT found in animals. It is responsible for photosynthesis in plants.
a)
Cytoplasm
b)
Chloroplast
c)
Mitochondria
13.
This organelle is found in both animals and plants. It is responsible for providing the cell with energy. It is also the site of cellular respiration in Animals (breaking down food for energy)
a)
Nucleus
b)
Ribosome
c)
Mitcohondria
14.
If you are looking through a microscope at an unknown tissue, and you see that the cells have cell walls, a nucleus, and chloroplasts - It is most likely
a)
An animal
b)
A plant
c)
A bacteria
d)
Fungus
15.
Which of the following is part of the cell theory
a)
All living things come from cells and all cells come from existing cells
b)
Everything in the world is made of cells
c)
Animals are made of cells but plants are not
d)
Only humans are made of cells
16.
Which stars are the brightest & coolest? (greatest luminosity & least temperature)
a)
White Dwarfs
b)
Super Giants
c)
Main Sequence
17.
Which stars are the dullest but hottest? (least luminosity & high temperature)
a)
White Dwarfs
b)
Super Giants
c)
Main Sequence
18.
Which Spectral class would the Sun be in?
a)
O
b)
A
c)
G
19.
Which is true about Supergiants?
a)
Supergiants tend to have a greater luminosity than most other stars
b)
Supergiants tend to have a greater temperature than most other stars
c)
Supergiants are not as bright as white dwarfs
20.
Which star is the closest to Earth?
a)
Bernard's star
b)
Sun
c)
Proxima Centauri
21.
What kind of front is hitting Central Texas?
a)
warm front
b)
cold front
c)
Neither cold or warm
22.
Which of the following is an example of primary succession?
a)
After a volcano erupts, lichens grow on a rock
b)
After a forest fire wildflowers grow back
c)
A farmer plows the field and plants corn
d)
After a tornado destroys a forest, trees begin to grow back
23.
The function of the integumentary system is most like the function of the
a)
nucleus
b)
cell membrane
c)
Ribosome
d)
chlorplast
24.
Who eats an autotroph in this in food web?
a)
Bacteria
b)
Rattle Snake
c)
Lizard
d)
Grasshopper
25.
Which level has the most energy?
a)
Tertiary Consumber
b)
Secondary Consumers
c)
Primary Consumers
d)
Producers
26.
Which plate boundary is represented by this picture?
a)
Convergent
b)
Divergent
c)
Transform
27.
Which plate boundary causes earth quakes due to friction from sliding past each other
a)
Convergent
b)
Divergent
c)
Transform
28.
A chain of volcanoes often forms parallel to where tectonic plates are pushed towards one another. The Pacific Ring of Fire is an example of the result of two plates being pushed towards one another. This is an example of which of the following plate boundaries?
a)
Convergent
b)
Divergent
c)
Transform
29.
An organism that lacks a nucleus, only reproduces asexually and is single celled is in which kingdom?
a)
Animal
b)
Plant
c)
Fungi
d)
Bacteria
30.
Bacterial reproduce through binary fission. This results in 2 daughter cells that are
a)
genetically different
b)
genetically the exact same
31.
All of the kittens share the same parents. Why do they look different?
a)
They were produced by asexual cloning
b)
some the kittens have genetic material from only one of the parents
c)
Each kitten has a different combination of genetic material due to sexual reproduction
d)
All the kittens developed from the same fertilized egg
e)
Option 2
32.

What does AUTOTROPH MEAN?

a)

Makes its own energy

b)

Eats something else

33.

Which of the following is a heterotroph?

a)

Plant

b)

Animal

34.

A seat belt helps prevent the dummy from flying out the window. The tendency of something to stay in motion is

a)

Newtons 1st Law: the law of inertia

b)

Newtons 2nd law: Force = mass X acceleration

c)

Newton's 3rd law: every action has a reaction

35.

According to Newton's 3rd law, when your foot hits the soccer ball

a)

Your foot will hit the ground afterwards

b)

the soccer ball hits your foot with an equal force

c)

the ball will eventually hit the ground

36.
an organism that makes its own food
a)
producer
b)
herbivore
c)
consumer
d)
scavenger
37.
an animal that eats both plants and animals
a)
omnivore
b)
herbivore
c)
carnivore
d)
scavenger
38.
In an energy pyramid, energy_______ as you move up the pyramid.
a)
Increases
b)
Decreases
c)
Stays the same
d)
Changes up and down
39.
An organism that eats another organism.
a)
Autotroph
b)
Plant
c)
Producer
d)
Heterotroph
40.
In the energy pyramid here, how much of the energy in the producers gets passed to the herbivores?
a)
10%
b)
20%
c)
30%
d)
90%
41.
The deer, grasshopper, and bird are all examples of which type of consumers on this food pyramid?
a)
decomposers
b)
carnivore
c)
omnivores
d)
herbivore
42.

Name one producer in this food web?

a)

Grass

b)

Grass hopper

c)

Fox

43.

Name one primary consumer in this food web?

a)

Grass

b)

Grass hopper

c)

Fox

44.

What two organism does the owl eat?

a)

Grass and mouse

b)

Mouse and bird

c)

mouse and grasshopper

45.

Removing which organisms would impact this ecosystem the most?

a)

Grass and Grain

b)

Grasshopper and mouse

c)

Rabbit and mouse

46.

What is the property of water that allows it to stick to itself and other substances too?

a)

Polarity

b)

Rarity

c)

Scarcity

47.

When water sticks to other molecules of water is known as

a)

Adhesion

b)

Cohesion

48.

Water sticking to other substances is known as

a)

Cohesion

b)

Adhesion

49.

Your stomach digesting food is an example of

a)

Chemical change

b)

Physical change

50.

What fuels hurricanes?

a)

Warm water

b)

Cold water

51.

Which type of reproduction leads to genetic diversity (DIFFERENCES)

a)

Sexual

b)

Asexual

52.

Which organelles is responsible for photosyntheis

a)

Mitochondria

b)

Chloroplast

c)

Cytoplasm

53.

When water sticks to other water molecules

a)

adhesion

b)

cohesion

54.

What leads to a stable and sustainable ecosystem?

a)

Biodiversity

b)

accessability

c)

climate control

55.

Which plate boundary creats rifts and mid ocean ridges?

a)

Divergent

b)

Convergent

c)

Transform

56.

Which plate boundary creates Faults

a)

Divergent

b)

Convergent

c)

Transform

57.

pH less than 7

a)

Acid

b)

Base

58.

When a new substance is formed

a)

chemical change

b)

physical change

59.

Precipitate forms (2 liquids combine and make a solid)

a)

chemical change

b)

physical change

60.

Which body system is responsible for breathing?

a)

Respiratory

b)

Endocrine

c)

Integumentary

d)

Circulatory

61.

Which body system is responsible for releasing hormones

a)

Respiratory

b)

Endocrine

c)

Integumentary

d)

Circulatory

62.

Which body system inlcudes your blood and heart

a)

Respiratory

b)

Endocrine

c)

Integumentary

d)

Circulatory

63.

Which body system includes your brain?

a)

Nervous

b)

Muscular

c)

Skeletal

64.

Heat transfer in which hot air rises and cool air falls

a)

convection

b)

conduction

c)

radiation

65.

which wave has the LONGEST WAVELENGTH

a)

a

b)

b

c)

c

d)

d

66.

which wave has the most frequency

a)

A

b)

B

c)

C

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