Quiz about 7th Grade Science Review

Question 1

What unit do we measure Force in?

Accepted Answer

Newtons

Answer

Joules

Answer

Force

Answer

Midi-chlorians

Question 2

Directs all cell activities through the DNA located there.

Accepted Answer

Nucleus

Answer

Lysosomes

Answer

ribosomes

Answer

Mitochondria

Question 3

I am a protein packaging and shipping machine! Who am I?

Accepted Answer

golgi apparatus

Answer

vacuole

Answer

ribosome

Answer

mitochondrion

Question 4

What is the name of the genetic material that is inside the nucleus?

Accepted Answer

DNA

Answer

ER

Answer

ATP

Answer

YOLO

Question 5

Where are proteins made?

Accepted Answer

Ribosomes

Answer

Golgi body

Answer

Mitoichondria

Answer

Chromosomes

Question 6

What organelle is called the "powerhouse" of a cell?

Accepted Answer

Mitochondria

Answer

Endoplasmic Reticulum

Answer

Nucleus

Answer

Nucleolus

Question 7

What is the gel-like substance inside of cells called?

Accepted Answer

cytoplasm

Answer

photoplasm

Answer

photosynthesis

Answer

cytoskeleton

Question 8

Energy due to motion is ____________ energy.

Accepted Answer

Kinetic

Answer

Potential

Answer

Energy

Answer

Friction

Question 9

The faster an object moves, the ________ kinetic energy it has.

Accepted Answer

more

Answer

less

Answer

none of the above

Answer

all of the above

Question 10

__________ is stored energy.

Accepted Answer

Potential

Answer

Kinetic

Answer

None of the above

Answer

All of the above

Question 11

At which point is potential energy greatest?

Accepted Answer

W

Answer

X

Answer

Y

Answer

Z

Question 12

Which level of organization is blood?

Accepted Answer

tissue

Answer

cell

Answer

organ

Answer

organ system

Question 13

This system's primary function is movement:  The movement of the body, movement of food through the digestive system, and the beating of the heart.

Accepted Answer

muscular

Answer

skeletal

Answer

endocrine

Answer

respiratory

Question 14

Within the human body, the gases oxygen and carbon dioxide are exchanged.  What system's function is to exchange the gases carbon dioxide and oxygen?

Accepted Answer

respiratory

Answer

circulatory

Answer

digestive

Answer

immune

Question 15

Cells require materials such as nutrients, oxygen, and water to survive.  Cells also must remove wastes such as carbon dioxide.  What system serves as the transport system carrying needed materials to cells and transporting wastes away from cells?

Accepted Answer

circulatory

Answer

digestive

Answer

integumentary

Answer

nervous

Question 16

Breaking down food, absorbing nutrients, and removing solid wastes are functions of what system?

Accepted Answer

digestive

Answer

immune

Answer

circulatory

Answer

muscular

Question 17

What are the blood vessels that take the blood away from the heart?

Accepted Answer

arteries

Answer

veins

Question 18

What system is this?

Accepted Answer

digestive

Answer

skeletal

Answer

nervous

Answer

circulatory

Question 19

a group of organ systems working together form __________________________

Accepted Answer

an organism

Answer

an organ

Answer

an organ system

Answer

a cell

Question 20

Which of the following is NOT a part of your respiratory system?

Accepted Answer

esophagus

Answer

lungs

Answer

bronchi

Answer

trachea

Question 21

These are the muscles which make up the heart

Accepted Answer

cardiac

Answer

smooth

Answer

skeletal

Answer

visceral

Question 22

What level of organization is this?

Accepted Answer

organ system

Answer

cell

Answer

tissue

Answer

organ

Question 23

A group of tissues makes___________

Accepted Answer

an organ

Answer

a cell

Answer

an organ system

Answer

an organism

Question 24

What system transports nutrients and oxygen to your cells?

Accepted Answer

circulatory

Answer

digestive

Answer

nervous

Answer

excretory

Question 25

Gas exchange in the body occurs in which system?

Accepted Answer

respiratory

Answer

nervous

Answer

immune

Answer

muscular

Question 26

What system is this?

Accepted Answer

excretory

Answer

circulatory

Answer

digestive

Answer

immune

Question 27

Victor is investigating sound waves.  He takes an alarm clock, places it in a jar, and uses a food vacuum to remove all of the air from the jar. When the alarm goes off, Victor cannot hear the sound. Why?

Accepted Answer

There are no air particles, and sound waves need a medium in order to travel.

Answer

The jar is absorbing all of the sound waves.

Answer

The vacuum is absorbing all of the sound waves.

Answer

The lid
of the jar bounces the sound wave back into the jar.

Question 28

Which material would be able to transmit sound waves fastest?

Accepted Answer

A steel beam

Answer

Hydrogen gas

Answer

Vegetable oil

Answer

sea water

Question 29

Eric is in the middle of practicing with his guitar.  What happens to the pitch of the sound when Eric tightens his guitar string?

Accepted Answer

The pitch increases because the frequency of the wave is increased

Answer

The pitch decreases because the frequency of the wave is increased

Answer

The pitch decreases because the frequency of the wave is decreased

Answer

The pitch increases because the frequency of the wave is decreased

Question 30

When you hold a cup of hot chocolate, the heat energy transfers from the cup to your hands through...

Accepted Answer

conduction

Answer

convection

Answer

radiation

Answer

insulation

Question 31

Heat energy always transfers from ______ to _______ until _________

Accepted Answer

hot; cold; they reach the same temperature

Answer

hot; cold; no more heat energy remains

Answer

cold; hot; no more heat remains

Answer

cold; hot; they reach the same temperature

Question 32

The Law of Conservation of Energy states that:

Accepted Answer

Energy cannot be created or destroyed, it can only change forms

Answer

Energy can be created and destroyed

Answer

Energy has to change form to be usable

Answer

Objects lose energy until they have none

Question 33

Which of the following is true of solids. (You may pick more than one answer.)

Accepted Answer

Atoms in a solid have little energy.

Accepted Answer

Atoms in a solid are tightly packed together.

Answer

Atoms in a solid move very quickly.

Answer

Atoms in a solid do not move at all.

Question 34

When gaseous water turns into liquid water, which of the following are true? (You may chose more than one answer.)

Accepted Answer

The water molecules lose energy.

Accepted Answer

The water condensed.

Answer

The water molecules gain energy.

Answer

The water evaporated.

Question 35

What is true of freezing? (You may chose more than one answer.)

Accepted Answer

Liquid turns to solid.

Accepted Answer

Thermal energy is lost.

Answer

Liquid turns to gas.

Answer

Solid turns to liquid.

Answer

Thermal energy is gained.

Question 36

Select the true statement about the picture.

Accepted Answer

They will pull together because opposite poles attract.

Answer

They will push apart because opposite poles repel.

Answer

They will push apart because like poles repel.

Answer

They will pull together because like poles attract.

Question 37

Which of the following is true about gravity?

Accepted Answer

Gravity only attracts.

Answer

Gravity attracts and repels.

Answer

Gravity only repels.

Answer

Gravity always pulls everything down.

Question 38

Which of the following is true?

Accepted Answer

Thermal energy always flows from hot to cold.

Answer

Thermal energy always flows from cold to hot.

Answer

Thermal energy sometimes flows from hot to cold.

Answer

Thermal energy sometimes flows from cold to hot.

Question 39

Which of the following is true about kinetic energy? (You may chose more than one answer.)

Accepted Answer

An object with a faster speed will have more kinetic energy.

Accepted Answer

An object with more mass will have more kinetic energy.

Answer

An object with less mass will have more kinetic energy.

Answer

An object with a slower speed will have more kinetic energy.

Question 40

How does the distance between objects affect the strength of the force?

Accepted Answer

When distance decreases, the strength of the force increases.

Answer

Distance does not affect the strength of the force.

Answer

When distance increases, the strength of the force increases.

Answer

Distance only affects the strength of magnetic force.

Question 41

Which of the following are true about conduction?

Accepted Answer

A conductor is a material that passes thermal energy quickly and easily.

Accepted Answer

Thermal energy is transferred when particles bump into each other.

Answer

The thermal energy flows in a current.

Answer

An insulator is a material that passes thermal energy quickly and easily.

Question 42

Which of the following are examples of convection?

Accepted Answer

Floating ice cubes cooling down an entire glass of lemonade

Accepted Answer

A pot of boiling water

Accepted Answer

Heating vents installed near the floor

Answer

Roasting marshmallows near a fire

Answer

Warming up your hands by holding a mug of hot cocoa

Question 43

The substances listed on the right side of a chemical equation are the

Accepted Answer

Products

Answer

Yields

Answer

Reactants

Answer

Precipitates

Question 44

The substances listed on the left side of a chemical equation are the

Accepted Answer

Reactants

Answer

Products

Answer

Coefficients

Answer

Precipitates

Question 45

In chemical reactions, what does the principle of conservation of mass mean?

Accepted Answer

Matter is not created or destroyed.

Answer

The total mass of the reactants is greater than the total mass of the products.

Answer

The total mass of the reactants is less than the total mass of the products.

Answer

Matter is not changed.

Question 46

Which is the Law of Conservation of Matter?

Accepted Answer

matter cannot be created or destroyed, it only changes form

Answer

matter can be created but it cannot be destroyed, it never changes form

Answer

matter can be destroyed but it cannot be created, it usually just changes form

Answer

matter is an unproven theory created by Hans Geiger

Question 47

A molecule is________

Accepted Answer

more than one atom bonded together

Answer

a glob of gelatinous goo

Answer

smaller than an atom

Answer

filled with raisons

Question 48

The powerhouse of the cell

Accepted Answer

Mitochondria

Answer

Nucleus

Answer

Golgi Complex

Answer

Endoplasmic Reticulum

Question 49

Found only in a plant cell, this organelle is where photosynthesis takes place

Accepted Answer

Chloroplast

Answer

Chlorophyll

Answer

Cell Wall

Answer

Nucleus

Question 50

The study of matter and how it changes is known as:

Accepted Answer

chemistry

Answer

biology

Answer

forensics

Answer

heredity

Question 51

What are the 3 States of Matter?

Accepted Answer

solid, liquid, gas

Answer

solid, liquid, form

Answer

solid, diploid, gas

Answer

liquid, gas,energy

Question 52

A mixture where you can see all of the parts is known as a:

Accepted Answer

heterogeneous mixture

Answer

chemical property

Answer

physical property

Answer

homogeneous mixture

Question 53

Volume is the amount of ___________an object takes up.

Accepted Answer

space

Answer

length

Answer

width

Answer

molecules

Question 54

____________ refers to the amount of matter in an object.

Accepted Answer

mass

Answer

volume

Answer

density

Answer

Metric

Question 55

How can matter change from a liquid to a gas?

Accepted Answer

by heat

Answer

by freezing

Answer

by wetting it

Question 56

Which is an example of a solid?

Accepted Answer

apples

Answer

water

Answer

oil

Question 57

Which is the formula for density?

Accepted Answer

D = m/v

Answer

D = mxd

Answer

D = m/D

Question 58

Which is an example of a gas?

Accepted Answer

helium

Answer

iron

Answer

mercury

Answer

paint

Question 59

___________ is the measure of how much space an object occupies.

Accepted Answer

volume

Answer

mass

Answer

density

Question 60

A ______________ has NO definite shape and no definite volume.

Accepted Answer

gas

Answer

solid

Answer

liquid

Question 61

A _____________ has definite shape and definite volume.

Accepted Answer

solid

Answer

liquid

Answer

gas

Question 62

Which of the following is NOT an SI/Metric Unit of Measurement?

Accepted Answer

inch

Answer

meter

Answer

gram

Answer

liter

Question 63

What is the SI Unit for distance?

Accepted Answer

meter

Answer

rise/run

Answer

foot

Answer

yard

Question 64

Surrounding the nucleus is a cloud-like region of moving _________________________.

Accepted Answer

electrons

Answer

protons

Answer

neutrons

7th Grade Science Review

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science