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7R Final Test Review

Total questions: 76

Worksheet time: 57mins

Name
Class
Date
1.

The independent variable in the investigation is the (look at the picture)

a)

Amount of water in each cup

b)

Amount of food coloring in each cup

c)

The cup of water receiving no food coloring

2.

An appropriate hypothesis for the experiment would be: (look at the picture)

a)

Do dark colored materials heat up faster than light colored materials?

b)

If dark and light colored materials were placed in the sun for an equal amount of time, then the dark colored materials would heat up faster because dark colors absorb more heat than light colors

c)

Does the amount of food coloring added to water affect the temperature?

3.

The CONTROL set-up in the investigation is: (look at the picture

a)

The cup of water with no food coloring

b)

The cup of water with 30 drops of food coloring

c)

The temperature of the water

4.

The mass shown on the Triple Beam Balance below is:

a)

570.0 g

b)

576.1 g

c)

570.1 g

5.

Is the following statement an observation or an inference? The ground is wet, so it PROBABLY rained.

a)

Observation

b)

Inference

6.

What is the volume of the rock shown in the graduated cylinder below?

a)

50 mL

b)

30 mL

c)

10 mL

7.

A toy bat and a ruler are pictured below. What is the length of the toy bat in centimeters?

a)

40.0 cm

b)

4.2 cm

c)

42.0 cm

8.

Four children can feel and smell an object inside a bag, but they cannot see it. Which of the following is NOT an observation about the object?

a)

It is flat at one end and round at the other

b)

It smells like peppermint

c)

I hope it is candy

9.

The diagram below shows what occurred when a can of diet soda and a can of regular soda were dropped into a container of water. Which of the following statements best explains this observation?

a)

The can of regular soda is more dense than the can of diet soda.

b)

The can of regular soda has a larger volume than the can of diet soda.

c)

The can of regular soda has a smaller volume than the can of diet soda.

10.

While washing some berries, a student observes that the blueberries sink in water and the strawberries float in water. Which statement explains this observation?

a)

A strawberry has more surface area than a blueberry.

b)

A blueberry has greater volume than a strawberry.

c)

A blueberry has greater density than a strawberry.

11.

According to the graph, how many mice will be born in week 5 if the trend continues?

a)

10 Mice

b)

18 Mice

c)

95 Mice

12.

Which graph shows a DIRECT (or POSITIVE) Relationship

a)

1

b)

2

c)

3

13.

How much FORCE is NEEDED to move the object 8.0 meters

a)

0 N

b)

5 N

c)

10 N

14.

Looking at the pendulum, at which point would it have the MOST potential energy?

a)

A

b)

B

c)

C

d)

D

15.

In the diagram, a skier is about to start a slide (position A), ski down the hill (position B), and stops at the bottom (position C). At which position would the skier have the MOST potential energy?

a)

A

b)

B

c)

C

16.

Energy of MOTION is defined as

a)

Thermal Energy

b)

Potential Energy

c)

Kinetic Energy

17.

Energy that is STORED is defined as

a)

Thermal Energy

b)

Potential Energy

c)

Kinetic Energy

18.

Which of the following has the MOST amount of kinetic energy?

a)

solid

b)

liquid

c)

gas

19.

What heat transfer happens when you burn your hand by touching a hot pot handle?

a)

Conduction

b)

Convection

c)

Radiation

20.

The diagram below shows two dogs pulling on a rope with constant but unequal forces. In which compass direction will both dogs most likely move?

a)

East

b)

North

c)

South

21.

More force is needed for a car with more mass to accelerate

a)

Newton's 1st Law (inertia)

b)

Newton's 2nd Law (F=mxa)

c)

Newton's 3rd Law (action/reaction)

22.

Paddle-wheel boat pushes on the water and the water pushes back to move the boat

a)

Newton's 1st Law (inertia)

b)

Newton's 2nd Law (F=mxa)

c)

Newton's 3rd Law (action/reaction)

23.

Car suddenly stops and you strain against the seat belt

a)

Newton's 1st Law (inertia)

b)

Newton's 2nd Law (F=mxa)

c)

Newton's 3rd Law (action/reaction)

24.

The following is an example of which type of simple machine?

a)

lever

b)

wheel and axle

c)

inclined plane

25.

The following is an example of which type of simple machine?

a)

screw

b)

pulley

c)

wheel and axle

26.

The following is an example of which type of simple machine?

a)

wedge

b)

pulley

c)

wheel and axle

27.

The purpose of a simple machine is to make ____________ easier:

a)

Work

b)

Desnity

c)

Money

28.

Vlad moves an object with a force of 20 Newtons a distance of 4 meters. How much work was done?

a)

5 Joules

b)

80 Joules

c)

No Work was done

29.

Which of the following is how fast you travel in a certain amount of time?

a)

speed

b)

velocity

c)

acceleration

30.

Which of the following is your speed with direction?

a)

speed

b)

velocity

c)

acceleration

31.

Which of the following is a CHANGE in your speed or your direction?

a)

speed

b)

velocity

c)

acceleration

32.

Shamari pushes a box 9 N to the right. Rianna does not want Shamari to move the box so she pushes it 3 N to the left. What is the net force on the box?

a)

9 N

b)

3 N

c)

6 N

d)

12 N

33.

What will have more inertia?

a)

Tennis Ball

b)

Soccer Ball

c)

Bowling Ball

34.

Conduction, Convection, and Radiation are all methods of____________

a)

Electrical Energy

b)

Sound Energy

c)

Heat Transfer

35.

What heat transfer happens when you burn your hand by touching a hot pot handle?

a)

Conduction

b)

Convection

c)

Radiation

36.

A push or a pull best describes the term

a)

Potential Energy

b)

Force

c)

Momentum

37.

Where are protons and neutrons located?

a)

Orbitals

b)

Nucleus

c)

Electron Cloud

38.

Where are electrons located?

a)

Orbitals

b)

Nucelus

c)

Electron Cloud

39.

Based on the information from the box on the periodic table below, how many protons are in the neutral atom?

a)

2

b)

20

c)

41

40.

What is the ATOMIC MASS for PHOSPHORUS (P) ? Use the picture of the periodic table below.

a)

30.9

b)

15

c)

46

41.

What is number of protons for oxygen? Use the picture of the periodic table below.

a)

8

b)

16

c)

24

42.

The diagram below shows an example of an element found on the periodic table. Letter is A is pointing to the...

a)

Element Symbol

b)

Atomic Number

c)

Element Name

43.

The tiny particles that make up all matter are called

a)

genes

b)

atoms

c)

minerals

44.

The diagram below shows an example of an element found on the periodic table. Letter is B is pointing to the...

a)

Atomic Mass

b)

Element Symbol

c)

Atomic Number

45.

What is the atomic mass of an atom with 9 protons, 11 neutrons?

a)

9

b)

20

c)

29

46.

Which statement describes the location of protons and neutrons in an atom?

a)

Protons and neutrons are in the nucleus.

b)

Protons are outside the nucleus, and neutrons are in the nucleus.

c)

Protons are in the nucleus, and neutrons are outside the nucleus.

47.

Which subatomic particles are paired with their charges?

a)

electron–positive, neutron–neutral, proton–negative

b)

electron–negative, neutron–neutral, proton–positive

c)

electron–positive , neutron–negative, proton–neutral

48.

Breaking down food via our teeth is an example

a)

Mechanical Digestion

b)

Chemical Digestion

49.

Our saliva breaking down food is an example of

a)

Mechanical Digestion

b)

Chemical Digestion

50.

This muscle pushes food from mouth to stomach

a)

Mouth

b)

Esophagus

c)

Rectum

51.

Proteins, fats, carbs, vitamins, and minerals are all examples of

a)

Nutrients

b)

Energy

c)

Digestion

52.

______ gives us the energy to keep the body going and this energy is used FIRST

a)

protein

b)

carbs

c)

fats

53.

________________ are STORED energy that is released when the energy from carbs is not available (Also gives us more energy)

a)

protein

b)

carbs

c)

fats

54.

________________ is used to build new parts of the body (the structure) as well as repair old parts.

a)

protein

b)

carbs

c)

fats

55.

The following foods are a great source of

a)

protein

b)

fats

c)

carbs

56.

Mechanical digestion using teeth occur in this organ:

a)

A

b)

B

c)

C

57.

Waste products and water absorption occurs here:

a)

B

b)

C

c)

E

58.

Absorption of nutrients occurs in this organ:

a)

B

b)

C

c)

D

59.

This organ connects the mouth to the stomach:

a)

A

b)

B

c)

C

60.

Mechanical and chemical actions in the ______ break down food into smaller molecules that the body can absorb.

a)

stomach and large intestine

b)

mouth and stomach

c)

small intestine and rectum

61.

How many grams of protein are listed in the food label?

a)

2 g

b)

1.5 g

c)

10 g

62.

How many grams of fat are listed in the food label?

a)

2 g

b)

1.5 g

c)

10 g

63.

The following food has how many calories?

a)

2

b)

60

c)

2.5

64.

Use the chart below to answer this question - A lack of citrus fruits in your diet can result in a disorder called:

a)

beriberi

b)

pellegra

c)

scurvy

65.

What is the main function of the CIRCULATORY system?

a)

secrete enzymes

b)

digest proteins

c)

transport materials

66.

Which substance provides HUMANS with their main source of energy?

a)

Food

b)

Carbon Dioxide

c)

chlorophyll

67.

The ENDOCRINE system produces chemicals (such as insulin, adrenaline, estrogen, and testosterone) that affect organ functions. These chemicals are called

a)

Hormones

b)

Waste

c)

Digestion Enzymes

68.

Which BODY SYSTEM of a rabbit’s body must be working for the rabbit to run away from a fox?

a)

Muscular/Skeletal

b)

Digestive

c)

Reproductive

69.

Which body system is shown below that helps to bring oxygen

a)

Nervous System

b)

Digestive System

c)

Respiratory System

70.

___________ allows some things to enter and leave cells, while keeping other things in the cell or keeping other things out of the cell.

a)

A selectively permeable membrane

b)

Osmosis

c)

Fermentation

71.

The cell membrane maintains ___________ by controlling what enters and leaves cells.

a)

Temperature

b)

Equilibrium

c)

Reproduction

72.

PASSIVE transport is the process by which molecules move from an area of:_________

a)

High to Low

b)

Low to High

73.

Osmosis is the movement of _____ across a membrane.

a)

water

b)

oxygen

c)

carbon dioxide

74.

Where does cellular respiration occur?

a)

Chloroplasts

b)

Nucleus

c)

Mitochondria

75.

What is the name of the ENERGY molecule used by the body (HUMANS)?

a)

ATP

b)

Oxygen

c)

Carbon Dioxide

76.

ACTIVE transport is the process by which molecules move from an area of:_________

a)

low to high

b)

high to low