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4Qtr Assessment Science Reviewer

Total questions: 70

Worksheet time: 1hrs 4mins

Name
Class
Date
1.
Catherine is testing which soil will help grass grow the tallest.  The height of the grown grass is the __ variable.
a)
constant (stays the same)
b)
independent (it's what you change)
c)
dependent (it's what you measure)
2.
What would the INDEPENDENT variable be in an experiment testing which  paper airplane design goes furthest?
a)
the paper used
b)
the paper airplane design
c)
the distance of each plane's flight
d)
how hard the plane is thrown
3.
When experimenting with plants to see if they grow better with or without fertilizer, a scientist uses six bean plants and one type of fertilizer. What type of variable is the fertilizer?
a)
Dependent
b)
Independent
c)
Control
d)
Compound
4.
Mrs. Ahlers set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the dependent variable?
a)
Distance traveled by the ball
b)
Height of the ramp
c)
Mass of the ball
d)
Where the experiment took place.
5.

What two words should be in your hypothesis?

a)

I think

b)

If ...then...

c)

It will

d)

No idea

6.

What variable comes after the word IF

a)

independent variable

b)

dependent variable

7.

What variable comes after the word then?

a)

independent variable

b)

dependent variable

8.

Choose the correctly written hypothesis for "What is the effect of putting Pam Cooking Spray on the bottom of a sled?"

a)

I think the sled will slide faster.

b)

If I put Pam Cooking Spray on the bottom of my sled, then I will win the race."

c)

If I put Pam Cooking Spray on the bottom of my sled, then I will slide faster.

9.
What type of matter is sand?
a)
Element
b)
Compound
c)
Heterogeneous Mixture
d)
Homogeneous Mixture
10.
What type of matter is water?
a)
Element
b)
Compound
c)
Heterogeneous Mixture
d)
Homogeneous Mixture
11.
What type of matter is coffee?
a)
Element
b)
Compound
c)
Heterogeneous Mixture
d)
Homogeneous Mixture
12.
What type of matter is sand and water?
a)
Element
b)
Compound
c)
Heterogeneous Mixture
d)
Homogeneous Mixture
13.
What type of matter is copper wire?
a)
Element
b)
Compound
c)
Heterogeneous Mixture
d)
Homogeneous Mixture
14.
What type of matter is aluminum foil?
a)
Element
b)
Compound
c)
Heterogeneous Mixture
d)
Homogeneous Mixture
15.

Based on the data, Wyatt can conclude that which container was the best insulator of heat?

a)

Container 1

b)

Container 2

c)

Container 3

d)

Container 4

16.
Which of these is a property of metals?
a)
It's malleable
b)
It can't conduct electricity
c)
They are used in food
d)
It's very brittle
17.
Which of the following is a good conductor of heat?
a)
Metal
b)
Nonmetal
c)
Metalloid
18.
Some characteristics of a metal are that it is malleable and ductile.
a)
TRUE
b)
FALSE
19.
If a material can easily be drawn into the shape of a wire, it is
a)
Ductile
b)
Magnetic
c)
Malleable
d)
Reactive
20.
Which elements are found on the left to middle of The Periodic Table? 
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Candles
21.
Silicon is a semiconductor and has properties of both metals and nonmetals. What type of element is Silicon? 
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Pretty
22.
Which elements are found on the right side of The Periodic Table?
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Water
23.

The substance being dissolved is called the ________

a)

solvent

b)

solid

c)

solute

d)

solvate

24.
What is a solvent?
a)
The substance that does the dissolving in a solution.
b)
The substance that is being dissolved in a solution.
c)
The mixing of different substances.
d)
The process in which neutral molecules lose or gain electrons
25.
When Koolaid mix is light colored and tastes watery it is a _______ solution.
a)
saturated 
b)
diluted
26.
When a Koolaid mix in water is dark in color and very sweet it is a __________ solution.
a)
concentrated 
b)
Diluted
27.
The concentration of a mixture can be increased in which of the following ways?
a)
Heating the mixture
b)
Adding more water “solvent”
c)
Adding more powder “solute”
d)
Stirring the mixture
28.
When a certain amount of solvent cannot hold any more solute it is called a ________ solution.
a)
Diluted
b)
Saturated
29.

Four substances were tested for pH, lemon juice (pH 2), baking soda (pH 9), bleach (pH 12), and milk (pH 6). Which of the following correctly lists the substances from most basic to acidic?

a)

lemon juice, milk, baking soda, bleach

b)

bleach, baking soda, milk, lemon juice

c)

milk, lemon juice, baking soda, bleach

d)

baking soda, bleach, lemon juice, milk

30.

Which of these is a property of acidic solutions?

a)

they taste sour

b)

they feel slippery

c)

they are in many cleaning products

d)

they taste bitter

31.

Bases turn red litmus paper (a)   .

32.
Soap is a weak base.  What is true about the taste of bases?
a)
they taste sour
b)
they taste sweet
c)
they taste bitter
d)
they taste salty
33.
Which of these solutions is an acid?
a)
Dish Soap: pH of 12
b)
Tomato Soup: pH of 4
c)
Baking Soda: pH of 9
d)
Drain Cleaner: pH of 14
34.
Wind blowing at 20 mph.Vector or scalar?
a)
Scalar
b)
Vector
35.
30 m/sec, East. Scalar or Vector
a)
Scalar
b)
Vector
c)
Neither
36.
A deer running 15 meters per second due west.Vector or scalar?
a)
Scalar
b)
Vector
37.
A measurement of how fast an object is moving
a)
Velocity
b)
Speed
c)
Vector
d)
Acceleration
38.
What is velocity?
a)
the quickness of an object
b)
the location of an object
c)
acceleration
d)
speed in a specific direction
39.
Reese can run 10 meters in 5 seconds. What is her speed?
a)
5 meters/sec
b)
2 meters/sec
c)
5 miles/hour
d)
2 miles/hour
40.
What is the formula to calculate speed?
a)
Speed = time/distance
b)
Speed = distance/time
c)
Speed = distance x time
d)
Speed = time x distance
41.

A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?

a)

10 m/s

b)

1000 m/s

c)

100 seconds

d)

10 seconds

42.
Because displacement has a magnitude and direction it is called a ______. 
a)
distance
b)
vector
c)
arrow
d)
length
43.
Which of the following describes distance and displacement correctly?
a)
The blue arrow shows distance and the orange arrows show displacement
b)
The blue arrow shows displacement and the orange arrows show distance
c)
Both arrows show distance only
d)
Both arrows show distance and displacement
44.

Jerry walked from home to school, then from the school to the park. What is his total displacement?

a)

2 km

b)

5 km

c)

8 km

d)

10 km

45.
Calculate these 3 car's speeds, then rank them in order of fastest to slowest, with 3 being the fastest car and 1 the slowest car.
Car A- distance: 4 meters, time: 2 sec
Car B- distance: 2 meters, time: 2 sec
Car C- distance: 8 meters, time: 2 sec
a)
Car A= 1
Car B= 2
Car C = 3
b)
Car A = 2
Car B= 1
Car C= 3
c)
Car A= 3
Car B= 1
Car C = 2
d)
Car A = 3
Car B= 2
Car C= 1
46.

Describe the motion in the graph:

a)

Constant Speed (positive slope)

b)

Stopped (at rest)

c)

Acceleration (increasing speed)

d)

Return Home (negative slope)

47.

Describe the motion in the graph:

a)

Constant Speed (positive slope)

b)

Stopped (at rest)

c)

Acceleration (increasing speed)

d)

Return Home (negative slope)

48.

Describe the motion in the graph:

a)

Constant Speed (positive slope)

b)

Stopped (at rest)

c)

Acceleration (increasing speed)

d)

Return Home (negative slope)

49.

Describe the motion in the graph:

a)

Constant Speed (positive slope)

b)

Stopped (at rest)

c)

Acceleration (increasing speed)

d)

Return Home (negative slope)

50.
Which of the following is a unit for acceleration?
a)
km/s
b)
m/s2
c)
mi/hr
d)
ft
51.
In each of the following cases, determine where the car has no acceleration ?
a)
A car shortly after a stoplight turns green.
b)
A car approaching a red light
c)
A car with the cruise control set at 80 km/h
d)
A car turning a curve at a constant speed
52.

As sound waves travel through air, they cause air molecules to ___.

a)

vibrate

b)

bend

c)

lose energy

d)

be absorbed

53.

Which of the following is the unit for measuring loudness of sounds?

a)

decibel

b)

ampere

c)

coulomb

d)

joule

54.

Why does sound travel faster in solids than in liquids or gases.

a)

They are harder.

b)

The particles are closer together.

c)

Solids have more energy.

d)

Gases fill their container.

55.

Which state of matter do sounds travel fastest in?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

56.

What color is an object that absorbs all the colors in the light spectrum?

a)

A rainbow

b)

White

c)

Black

d)

Invisible

57.

A leaf is green. What does this tell you about the light that is being absorbed?

a)

The light is a UV ray.

b)

The light is not a part of the light spectrum.

c)

All colors are reflected except green.

d)

All colors are absorbed except green

58.

What is it called when light bends as it moves from one substance to another?

a)

Absorption

b)

Reflection

c)

Refraction

d)

Incidence

59.

Light is a form of energy that creates...

a)

water

b)

heat

c)

shade

d)

matter

60.

Why does the straw appear to be bent?

a)

light is reflected

b)

light is absorbed

c)

light is turned

d)

light is refracted

61.

When light passes from air to water, what happens to the speed of the light?

a)

speeds up

b)

slows down

c)

stays the same

62.
What is a substance that does NOT conduct heat well?
a)
Conductor
b)
Insulator
c)
Convector
d)
Radiator
63.
What is a substance that DOES conduct heat well?
a)
Conductor
b)
Insulator
c)
Convector
d)
Radiator
64.
Warm air rises and the cool air sinks. This is...
a)
conduction
b)
convection
c)
radiation
65.
When the temperature of matter decreases the particles ...
a)
speed up and move farther apart
b)
speed up and move closer together
c)
slow down and move farther apart
d)
slow down and move closer together
66.
Phase change from a solid to a liquid...
a)
melting
b)
freezing
c)
evaporation
d)
condensation
67.
Phase change from a liquid to solid?
a)
Melting
b)
Condensation
c)
Evaporation
d)
Freezing
68.
The liquid in a thermometer ______________ as the temperature increases.
a)
expands
b)
disappears
c)
freezes
d)
explodes
69.
Many objects, such as train tracks and road joints, are specifically designed to allow extra space for ...
a)
thermal energy
b)
specific heat
c)
thermal expansion
d)
conductors
70.
4. If the atoms of an object are moving or vibrating slow, the object would feel...
a)
Cold
b)
Hot
c)
Unknown

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