Free Printable Unit One Review #1

1.

An organized set of procedures used by scientists in gathering information and solving problems is called _________?

a)

Data

b)

Scientific Method

c)

Variables

d)

Conclusions

2.

A testable prediction is called a(n)

a)

Conclusion

b)

Research

c)

Hypothesis

d)

Question

3.

The variable you change to see how it will affect the dependent variable is called the ____________ variable.

a)

Independent

b)

Dependent

c)

Controlled

4.

When a conclusion is formed in an investigation it is based on ______.

a)

a guess

b)

a control

c)

the data

d)

the variables

5.

What is the first step a scientist takes to solve a problem?

a)

Draw Conclusions

b)

Make a model

c)

Identify the problem

d)

Take measurements

6.

An organized procedure for testing a hypothesis is called a(n) _______.

a)

experiment

b)

control

c)

constant

d)

variable

7.

How many times should you test during an experiment to ensure validity?

a)

One

b)

Two

c)

Three

8.

Can there be more than one independent variable?

a)

Yes

b)

No

9.

Kyle noticed ants coming towards his sandwich at a picnic. He wondered what ants enjoy eating. He decided to test this using honey, grape jelly and ketchup. He set the substances outside and watched for 1 hour noting how many ants visited each food. The location of the food is the.......

a)

Independent Variable

b)

Dependent Variable

c)

Controlled Variable

10.

Kyle noticed ants coming towards his sandwich at a picnic. He wondered what ants enjoy eating. He decided to test this using honey, grape jelly and ketchup. He set the substances outside and watched for 1 hour noting how many ants visited each food. What is the independent variable?

a)

Type of Food

b)

Amount of Food

c)

Number of Ants

11.

Amber noticed lots of bugs, especially moths, hanging around her outside porch light. She wondered if she changed the color of the the light if less bugs would visit her porch at night. She used three different colors (Red, Yellow, and Blue) and put the light in for one hour each. She counted the moths that visited each color bulb over each hour. The color of the light bulb is _______.

a)

Independent Variable

b)

Dependent Variable

c)

Controlled Variable

12.

Amber noticed lots of bugs, especially moths, hanging around her outside porch light. She wondered if she changed the color of the the light if less bugs would visit her porch at night. She used three different colors (Red, Yellow, and Blue) and put the light in for one hour each. She counted the moths that visited each color bulb over each hour. The length of time is a _______.

a)

independent

Variable

b)

Dependent

Variable

c)

Controlled Variable

13.

Amber noticed lots of bugs, especially moths, hanging around her outside porch light. She wondered if she changed the color of the the light if less bugs would visit her porch at night. She used three different colors (Red, Yellow, and Blue) and put the light in for one hour each. She counted the moths that visited each color bulb over each hour. What is the dependent variable?

a)

The type of light bulb

b)

The number of moths

c)

The color of the light bulb

14.

Doug wondered which ball (Golf, Tennis, or Baseball) would roll further off a ramp on hardwood flooring be used a small 1 ft ramp and rolled each ball off the ramp and measured the distance it rolled off the ramp. He repeated this 3 times and the found the average distance for each ball. One controlled variable is ____?

a)

Distance the balls rolled

b)

Type of ball

c)

Height of ramp

15.

Doug wondered which ball (Golf, Tennis, or Baseball) would roll further off a ramp on hardwood flooring be used a small 1 ft ramp and rolled each ball off the ramp and measured the distance it rolled off the ramp. He repeated this 3 times and the found the average distance for each ball. The ball type is the _______?

a)

Independent Variable

b)

Dependent Variable

c)

Controlled Variable

16.

What element is essential to the function to all living things?

a)

Hydrogen

b)

Oxygen

c)

Carbon

d)

Lithium

17.

List the name of the structure that the green box is pointing to.

a)

Electrons

b)

Protons

c)

Neutrons

d)

Valance Shell

18.

What structure is the blue box pointing to?

a)

Electrons

b)

Protons

c)

Neutrons

d)

Nucleus

19.

What is the structure that the yellow box is pointing to?

a)

Electrons

b)

Protons

c)

Neutrons

d)

Valance Shell

20.

What structure is the red box pointing to?

a)

Electrons

b)

Protons

c)

Neutrons

d)

Nucleus

21.

What question is the purple structure pointing to?

a)

Electrons

b)

Protons

c)

Neutrons

d)

Nucleus

22.

What subatomic particle has no charge?

a)

Electrons

b)

Neutrons

c)

Protons

d)

Neutrons and Protons

23.

What is equal to the atomic number

a)

Electrons

b)

Neutrons

c)

Protons

d)

Neutrons and Protons

24.

Isotopes of an element have different #'s of these?

a)

Electrons

b)

Protons

c)

Neutrons

d)

Neutrons and Protons

25.

What subatomic particle is negatively charged?

a)

Electrons

b)

Protons

c)

Neutrons

d)

Neutrons and Protons

26.

Smallest subatomic particle

a)

Electrons

b)

Protons

c)

Neutrons

d)

Neutrons and Protons

27.

Which subatomic particle compose electricity?

a)

Electrons

b)

Neutrons

c)

Protons

d)

Neutrons and Protons

28.

Which subatomic particle is positively charged?

a)

Electrons

b)

Neutrons

c)

Protons

d)

Neutrons and Protons

29.

What is equal to the mass number?

a)

Electrons

b)

Neutrons

c)

Protons

d)

Neutrons and Protons

30.

Arranged in energy levels

a)

Electrons

b)

Neutrons

c)

Protons

d)

Neutrons and Protons

31.

Carbon 12 vs Carbon 14

a)

Electrons

b)

Neutrons

c)

Protons

d)

Neutrons and Protons

32.

Found inside of the nucleus

a)

Electrons

b)

Neutrons

c)

Protons

d)

Neutrons and Protons

33.

In a neutral atom, the number of _____ equals the number of protons

a)

Electrons

b)

Neutrons

c)

Protons

d)

Neutrons and Protons

34.

Atoms become charged ions when they gain or lose _____.

a)

Electrons

b)

Neutrons

c)

Protons

d)

Neutrons and Protons

35.

These never change in an element

a)

Electrons

b)

Neutrons

c)

Protons

d)

Neutrons and Protons

36.

What bond forms molecules?

a)

Covalent Bonds

b)

Ionic Bonds

c)

Metallic Bond

37.

Metal + Nonmetal make what type of bond

a)

Covalent Bond

b)

Ionic Bond

c)

Metallic Bond

38.

Is this bond....

a)

A

b)

B

c)

C

39.

Electrons are shared between atoms

a)

A

b)

B

c)

C

40.

Strongest type of chemical bond

a)

A

b)

B

c)

C

41.

What type of bond is pictured?

a)

A

b)

B

c)

C

42.

Charged ions form during this type of bonding

a)

A

b)

B

c)

C

43.

Electrons are gained or lost by atoms in this type of bonding

a)

A

b)

B

c)

C

44.

Water molecules are formed from what type of bond?

a)

A

b)

B

c)

C

45.

What type of bond is salt?

a)

A

b)

B

c)

C

46.

Which would indicate a base?

a)

Solution with pH of 3.3

b)

Solution with pH of 7

c)

Solution with pH of 11

d)

Solution with pH of 1

47.

Which indicate an acid?

a)

Solution with ph of 11?

b)

Solution with pH of 7?

c)

Solution with high concentration of H+ ions

d)

Distilled (Pure Water)

48.

Which choice indicates a weak base?

a)

1

b)

4

c)

8

d)

13

49.

Which choice indicates a strong acid?

a)

1

b)

4

c)

8

d)

13

50.

Structure A is

a)

Hydrogen

b)

Oxygen

c)

Postitive Charge

d)

Negative Charge

51.

Structure B is...

a)

Hydrogen

b)

Oxygen

c)

Positive

d)

Negative Charge

52.

Structure E is...

a)

Hydrogen

b)

Oxygen

c)

Postive Charge

d)

Negative Charge

53.

Structure F is...

a)

Hydrogen

b)

Oxygen

c)

Positive Charge

d)

Negative Charge

54.

What type of bond is letter A?

a)

Hydrogen Bond

b)

Ionic Bond

c)

Covalent Bond

55.

What type of bond is letter B?

a)

Hydrogen Bond

b)

Ionic Bond

c)

Covalent Bond

56.

Which image best describes surface tension?

a)

Water on Window

b)

Salt in Water

c)

Spider on Water

d)

Ice Floating

57.

Water can defy gravity and "climb" upward in plants from the roots to the leaves because of two properties:

a)

Low Density, Cohesion

b)

Specific Heat,

Surface Tension

c)

Cohesion, Adhesion

d)

adhesion, surface tension

58.

Together, these properties work to sustain life on Earth. This process is referred to as:

a)

Adhesive Climbing

b)

Specific Heat

c)

Surface Tension

d)

Capillary Action

59.

Which properties help explain how you can continue to add drops of water to a full cup without it overflowing right away?

a)

Capillary Action,

Surface Tension

b)

Surface Tension, Cohesion

c)

Cohesion, Universal Solvent

d)

Universal Solvent, Low Density

60.

What properties of water are accurately depicted here?

a)

A) Cohesion

B) Adhesion

C) Low Density

D) Universal Solvent

b)

A) High Specific Heat

B) Cohesion

C) Surface Tension

D) Adhesion

c)

A) Universal Solvent

B) Low Density

C) Cohesion

D) High Specific Heat

d)

A) Adhesion

B) Surface Tension

C) Universal Solvent

D) Low Density

Unit One Review #1

Total questions: 60

Worksheet time: 45mins

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