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6th Science STAAR Review

Total questions: 75

Worksheet time: 1hrs 7mins

Name
Class
Date
1.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
2.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
3.
What cannot be broken down into other substances?
a)
Compound
b)
Mixture
c)
Solids
d)
Element
4.
What is made up two or more elements that are chemically combined?
a)
Element
b)
Mixture
c)
Compound
d)
Solids
5.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
6.

The Earth, living matter, oceans, and atmosphere are composed of-

a)

so many different elements that they cannot all be listed.

b)

all of the elements on the Periodic Table equally.

c)

a limited number of known elements.

d)

no elements at all.

7.
What is the most abundant element found in the earth's atmosphere?
a)
Oxygen
b)
Sulfur
c)
Nitrogen
d)
Argon
8.

Which element is the second most abundant in Earth's crust?

a)

Oxygen

b)

Calcium

c)

Sodium

d)

Silicon

9.
Which of the following are the elements found in the solid part of the Earth?
a)
Calcium and Oxygen
b)
Oxygen and Silicon
c)
Iron and Oxygen
d)
Potassium and Silicon
10.

Which of the following elements is found in the ocean?

a)

Sodium

b)

Nitrogen

c)

Sulfur

d)

Phosphorus

11.

All of the water on the earth makes up the

a)

Lithosphere

b)

Atmosphere

c)

Hydrosphere

d)

Biosphere

12.

The layer of gases surrounding the earth is called the

a)

Atmosphere

b)

Lithosphere

c)

Biosphere

d)

Hydrosphere

13.

The area where all living things and humans live is called our _________________

a)

Geosphere

b)

Hydroshere

c)

Atmosphere

d)

Biosphere

14.
Marie had a beaker with a small amount of baking soda. She added a few drops of pickle juice to the baking soda and observed fizzing and bubbling. Based on her observation, which of these can Marie determine about the new substance formed by mixing the baking soda and pickle juice?
a)
A chemical reaction produced a solid.
b)
A chemical reaction produced a gas.
c)
No chemical reaction took place.
d)
Only a physical change happened.
15.
Which of the following characteristics is shared by all chemical reactions?
a)
Produce a precipitate
b)
Show a color change
c)
Release heat energy
d)
Form new substances
16.
A student observes some sugar as it is heated and burns. The student concludes that a chemical reaction has occurred. Which of the following observations about the burning sugar provides evidence of a chemical reaction?
a)
Heat is added to the sugar crystals.
b)
The sugar melts and becomes a liquid.
c)
Gas is produced as the sugar turns black.
d)
No evidence of chemical reaction is present.
17.
a)

Metal

b)

Nonmetal

c)

Metalloid

18.
a)

Metal

b)

Nonmetal

c)

Metalloid

19.
a)

Metal

b)

Nonmetal

c)

Metalloid

20.
a)

Metal

b)

Nonmetal

c)

Metalloid

21.
a)

Metal

b)

Nonmetal

c)

Metalloid

22.
The tool used to measure the mass of a substance or object is a ______________.
a)
balance
b)
graduated cylinder
c)
ruler
d)
thermometer
23.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
24.
Which lab tool might you use to measure the volume of a liquid?
a)
electric scale
b)
bunsen burner
c)
test tube
d)
graduated cylinder
25.
What is the volume of Object X?
a)
10.0 cm3
b)
15.0 cm3
c)
20.0 cm3
d)
25.0 cm3
26.
Find the volume of this piece of brass.  
a)
50 g
b)
10 cm
c)
6 cm3
d)
12 cm3
27.
Here are 5 cubic centimeters (cm3).    All together they  have a mass of 20 g what is the density?
a)
20 g/cm3
b)
80 grams
c)
 4 g/cm3
d)
80 g/cm3
28.

The way in which a mineral reflects light

a)

streak

b)

luster

c)

hardness

29.

A naturally formed, inorganic solid that has a definite crystal structure

a)

Rock

b)

streak

c)

mineral

30.

A measure of the ability of a mineral to resist scratching

a)

hardness

b)

luster

c)

streak

31.

When testing the ________________________of a mineral, we can use the white or black plate and look at the color of the powder the mineral left behind.

a)

hardness

b)

streak

32.

The correct order of the Earth's layers starting from the OUTSIDE going IN is

a)

crust, inner core, mantle, outer core

b)

mantle, outer core, inner core, crust

c)

crust, mantle, outer core, inner core

d)

inner core, outer core, mantle, crust

33.

Which layer is the hottest?

a)

crust

b)

mantle

c)

outer core

d)

inner core

34.

Which layer is the thinnest?

a)

crust

b)

mantle

c)

outer core

d)

inner core

35.

Huge pieces of lithosphere that slowly move on the asthenosphere and consist of the crust and the rigid, uppermost part of the mantle

a)

tectonic plates

b)

North American Plate

c)

Eurasian Plate

d)

African Plate

36.
Identify the Major Plate labeled B
a)
African Plate
b)
Antarctic Plate
c)
Pacific Plate
d)
Eurasian Plate 
37.
Identify the Major Plate labeled N
a)
African Plate
b)
Antarctic Plate
c)
Pacific Plate
d)
Eurasian Plate 
38.
a)
A
b)
B
c)
C
39.
a)
A & B
b)
B & C
c)
A & C
40.
As you touch a hot stove the heat transfers -
a)
from your hand to the stove
b)
from the stove to your hand
c)
It doesn't transfer
41.

Which type of heat transfer is shown?

a)

convection

b)

conduction

c)

radiation

d)

stir frying

42.

What is the speed of a car travelling 50m in 4s?

a)

200 m/s

b)

12.5 m/s

c)

12.5 m

d)

200m

43.

Alan travels 100 km in 5hrs. Find his average speed in km/h

a)

5km/hr

b)

10km/hr

c)

50km/hr

d)

20km/hr

44.
Term used to describe a one-celled organism is ________________
a)
multicellular
b)
cellular
c)
single organism
d)
unicellular
45.
Are human beings prokaryotic or eukaryotic?
a)
prokaryotic
b)
eukaryotic
46.
A living or once-living organisms in an ecosystem is a
a)
population
b)
biotic factor
c)
abiotic factor
d)
community
47.
Which of the following is not an abiotic factor?
a)
sun
b)
temperature
c)
soil
d)
grass
48.

Neptune is the farthest planet from the Sun

a)

True

b)

False

49.

Which planet in our solar system is most like Earth?

a)

Mercury

b)

Venus

c)

Mars

d)

Jupiter

50.

Our galaxy is known as the Milky Way.

a)

True

b)

False

51.
A graduated cylinder is used to measure the __________ of a liquid.
a)
temperature
b)
mass
c)
volume
d)
length
52.

What conclusions can you draw from this graph?

a)

The deer population went down over time.

b)

The deer population went up over time.

c)

The dear population went up quickly, then down, but then stayed the same.

d)

There are less dear because of hunters

53.

What is NOT a renewable energy source?

a)

coal

b)

wind

c)

solar

d)

water

54.

Which is NOT a non-renewable energy source?

a)

coal

b)

oil

c)

wind

d)

gas

55.
A disadvantage of nonrenewable energy is that it causes pollution and  __.
a)
takes millions of years to make
b)
can be used over and over
c)
will never run out
d)
is "green energy"
56.
Na, Cl, C, Ag are examples of __.
a)
formulas
b)
chemical symbols
c)
abbreviations
57.

Define: Abiotic

a)

Living things in an ecosystem

b)

An organism that gets its food from other organisms

c)

Non Living things in an ecosystem

d)

An organism that get its nutrients from the sun

58.

Define: Ecosystem

a)

Where organisms live

b)

A community of organisms and their environment, including living and non-living things

c)

The environment of an area

d)

A model showing how energy moves through a food chain

59.

Define: Biotic

a)

An organism that gets its food from other organisms

b)

Non living things in an ecosystem

c)

An organism that gets its nutrients from sunlight

d)

Living things in an ecosystem

60.

Define: Predator

a)

An animal that hunts other animals

b)

An animal that is being hunted

c)

A model showing how energy moves through food

d)

An organism that decomposes organic material

61.

Define: Prey

a)

An organism that lives in or on another organism

b)

An animal that is hunted by another animal for food

c)

A organism that uses energy from the sun to create its own food

d)

An organism that decomposes organic material

62.

Define: Producer

a)

An organism that feeds on other organisms

b)

An organism that decomposes organic material

c)

An organism that uses energy from the sun to create its own food

d)

An organism that eats plants

63.

Define: Consumer

a)

An organism that feeds on other organisms

b)

An organism that gets its food from sunlight

c)

An organism that decomposes organic material

d)

An organism that eats plats

64.

Decomposer

a)

An organism that decomposes organic material (example: mushroom)

b)

An organism that gets its food from sunlight

c)

An organism that gets its food from other organisms

d)

A organism that eats meat

65.

Define: energy pyramid

a)

The cycle of how organisms feed

b)

The pyramid of food groups

c)

A model showing how energy moves through a food chain

d)

A model of animals from strongest to weakest

66.

The blades of a toy helicopter spin when its circuit is connected to a battery. Which sequence below correctly identifies the energy changes taking place in the helicopter?

a)

chemical to electrical to potential

b)

chemical to electrical to mechanical

67.

Which of the following gadgets best shows the transformation of energy from electrical to mechanical with the correct reasoning?

a)

A light bulb because electricity is being used to create light and heat.

b)

A fan because electricity is being used to spin the blades of the fan.

68.

1. A student is investigating the motion of a pendulum. The student holds the Bob in Point A and then releases it. Which statement is correct about the energy of the Bob?

a)

The KE of the Bob is greatest at Point A.

b)

KE changes to PE as the Bob moves from D to E.

c)

The PE of the Bob is greatest at Point C.

d)

PE changes to KE as the Bob moves from C to D.

69.

Where would an object have the most potential energy?

a)

The bottom of a hill

b)

The top of the hill

c)

On the way down the hill

d)

It never has potential energy

70.

How does a windmill change forms of energy?

a)

Mechanical to electrical

b)

Electrical to mechanical

c)

Mechanical to light

d)

It is unable to change forms

71.

Adam picked up a bottle of water from his fridge, it felt cold on his hand. What type of heat transfer was this?

a)

Convection

b)

Conduction

c)

Radiation

d)

Weathering

72.

Lamar was running down a hill. What type of energy was this?

a)

Light Energy

b)

Kinetic Energy

c)

Potential Energy

d)

Child Energy

73.

What type of energy comes from the sun?

a)

Convection

b)

Conduction

c)

Radiation

d)

Light Speed

74.

Two tectonic plates collided. What caused this?

a)

Divergent Boundary

b)

Subduction

c)

Transform Boundary

d)

Convergent Boundary

e)

Godzilla

75.

What is the largest layer of the earth

a)

Inner Core

b)

Mantle

c)

Crust

d)

Outer Core

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