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7th Grade Science Finals Test

Total questions: 40

Worksheet time: 55mins

Name
Class
Date
1.

A. How do we define "Stroop Effect"? B. How was "Stroop Effect" discovered? C. How can we prove the effects of "Stroop Effect" using an experiment? Which question(s) is an HOT Question?

a)

A and B only

b)

B and C only

c)

A and C only

d)

C only

2.

"If we show matched and mismatched colors and words to students, then it will be harder for the students to identify the mismatched ones because it will confuse them a lot." This is a very effective hypothesis.

a)

True

b)

False

c)

True and False

3.

If we show mismatched colors and words to students, then it will take them a longer time to figure out correct match of words and colors. The independent variable is

a)

mismatched colors

b)

mismatched words

c)

mismatched colors and words

d)

time it takes for the students to find a match

4.

If we show mismatched colors and words to students, then it will take them a longer time to figure out correct match of words and colors. The dependent variable is

a)

time it takes to figure out a match

b)

mismatched words and colors

c)

mismatched colors

d)

mismatched words

5.

"Stroop Effect is not that hard for some students. Our hypothesis was both correct and incorrect. Things we can improve on would be our behavior. My group and I were loud and playing around. One of our group members did his own experiment. Next time we do this activity, we will make sure that we follow all lab safety rules." Is this a good lab report conclusion?

a)

Yes, because it has all the parts

b)

No, because hypothesis is undecided

c)

Yes and no, because the experiment is invalid

6.

"Student A had a time of 20 seconds then 35 seconds. Student B had a time of 40 seconds then 45 seconds. The students did 2 trials." Why are multiple trials important?

a)

to get believable data

b)

to get perfect data

c)

to get reliable data

d)

to get a good grade

7.

"If we combine glue, water and borax in correct order, then we will create Gak." Is this an effective hypothesis?

a)

Yes, because it has if and because

b)

No, because the variables are not specific

c)

Yes and no, because it's short but unclear

8.

"If we combine glue, water and borax in correct order, then we will create the best quality Gak." Identify the independent variable

a)

best quality Gak

b)

glue, water and borax

c)

correct order of glue, water and borax

d)

None of the above

9.

"If we combine glue, water and borax in correct order, then we will create the best quality Gak." Identify the dependent variable

a)

best quality Gak

b)

glue, water and borax

c)

correct order of glue, water and borax

d)

not identified or indicated on the hypothesis

10.

Gak #1 bounced 10 cm, Gak #2 bounced 12.5 cm, and Gak #3 bounced 5.6 cm. Identify the dependent variable

a)

centimeters

b)

Gak number

c)

Height of bounce

d)

All of the information

11.

Gak is made of C, H and O elements. What elements are these?

a)

Carbon, Helium and Oxygen

b)

Carbon, Hydrogen and Oxygen

c)

Chlorine, Hydrogen and Oxygen

12.

Number of protons for element C (see a periodic table)

a)

0

b)

1

c)

6

d)

16

13.

Number of electrons for element O (see a periodic table)

a)

0

b)

8

c)

2 and 6

d)

18 and 6

14.

Number of neutrons for element H (see a periodic table)

a)

0

b)

1

c)

2

d)

4

15.

Period that element O belongs to (see periodic table)

a)

2

b)

16

c)

18

16.

Group that element H belongs to (see periodic table)

a)

0

b)

1

c)

2

d)

18

17.

How many states of matter do we currently have?

a)

3 (solid, liquid, gas)

b)

4 (solid, liquid, gas, plasma)

c)

5 (solid, liquid, gas, plasma, BE condensate)

18.

First Law of Motion is also known as __________.

a)

Law of Gravity

b)

Law of Inertia

c)

Action-Reaction

d)

Newton

19.

Second Law of Motion is also known as __________.

a)

Inertia

b)

F=ma

c)

Action Re-action

d)

Sir Isaac Newton

20.

Third Law of Motion is known as __________.

a)

Action Re-action

b)

F=ma

c)

Inertia

d)

Newton

21.

Proponent of the Laws of Motion

a)

Joules

b)

Thomas Edison

c)

Sir Isaac Newton

22.

Basic unit of Mass

a)

inches

b)

centimeter

c)

Pounds

d)

Kilogram

23.

Basic unit of Force

a)

Newton

b)

Kilogram

c)

Centimeters

24.

Formula for finding the weight of an object

a)

F=ma

b)

W=ma

c)

F=mg

d)

W=mg

25.

"Based on the data that I gathered there were factors that can affect the outcome: the amount of water compared to the pumps of air, the size of parachute, and the shape of cone." Is this a good data analysis of an experiment?

a)

True

b)

False

c)

True and False

26.

"The materials I used to create a bottle rocket are two 2 liter pepsi bottle, sprite cone, 4 strips of pink string, 4 cardboard fins, garbage bag, scissors, a hole puncher and duct tape." What are the 4 main parts of a bottle rocket?

a)

bottle, cone, fins and duct tape

b)

bottle, cone, fins and parachute

c)

bottle, cone, fins and garbage bag

d)

bottle, cone, fins and cardboard paper

27.

Basic unit of measurement for time

a)

seconds

b)

month

c)

week

d)

hour

28.

My rocket weigh 1.65 kilogram. Find its weight.

a)

1.65 Newton

b)

16.5 Newtons

c)

165.0 Newtons

d)

1,650 Newtons

29.

Formula for finding weight of an object

a)

Weight is the product of mass and gravity

b)

Weight is the product of mass and work

c)

Weight is the product of time and mass

d)

Weight is the product of time and gravity

30.

"In conclusion, my bottle rocket was successful in its launch on it’s final trial. One thing that I could’ve done better with my first trial was making the parachute smaller. Something that I could’ve done better was making sure my parachute was well strapped onto my bottle." Is the lab report conclusion complete?

a)

Yes, it has all the parts

b)

No, it's missing hypothesis

31.

"In conclusion, my bottle rocket was successful in its launch on it’s final trial. One thing that I could’ve done better with my first trial was making the parachute smaller. Something that I could’ve done better was making sure my parachute was well strapped onto my bottle." What is the student's major lab safety rules offense?

a)

Not following instructions

b)

Not washing hands

c)

Working alone

d)

Messy

32.

What are renewable energy sources?

a)

solar, wave, biomass, nuclear, hydro

b)

oil, coal, natural gas

33.

What are nonrenewable energy sources?

a)

Oil, coal and natural gas

b)

Solar, wave, biomass, nuclear

34.

What are the advantages of using solar energy?

a)

expensive to set up

b)

unreliable amount of sun

c)

clean, free and unlimited

35.

How do plants utilize the power of sunlight?

a)

Plants use solar energy to produce water

b)

Plants transform solar energy to chemical energy

c)

Plants use solar energy to create thermal energy

d)

All of the above

36.

Sun shines all over the Earth and only a little bit reaches any one place. This means that solar energy can be

a)

expensive

b)

unlimited

c)

unreliable

d)

non-renewable

37.

What technology captures the solar energy from the sun?

a)

Solar collectors only

b)

Solar panels only

c)

Solar cells only

d)

All of the above

38.

Which is a disadvantage of using solar energy?

a)

free

b)

clean

c)

unlimited

d)

unreliable

39.

The sun is able to generate its own energy through the process of

a)

thermal energy

b)

nuclear fusion

c)

solar panels

d)

passive solar energy

40.

Unit of measurement we used to determine temperature of your solar cookers

a)

cm

b)

Kg

c)

Newtons

d)

Fahrenheit and Celsius