Complete the statement . As the angle of the inclined plane decreases...

The force required to raise the object decreases and the force must be applied over a greater distance

The force required to raise the object decreases and the force must be applied over a smaller distance

The force required to raise the object increases and the force must be applied over a greater distance

The force required to raise the object increases and the force must be applied over a small distance

What happens to the number of times you must rotate a screw in order to drive it into an object when you increase the number of threads on the screw?

You must rotate the screw more times but can apply a smaller force

You must rotate the screw more times and apply a stronger force

You will rotate the screw less times but must apply a stronger force

You will rotate the screw less times and can apply a smaller force

What happens when you apply a DOWNWARD force to the left side of the lever, as shown in this picture?

It causes the right side of the lever to apply an UPWARD force

It causes the right side of the lever to apply a DOWNWARD force

The force has no effect on the lever

Which statement best describes what a pulley is?

A pulley is a wheel with a groove around its outside edge. The groove is for a rope or a belt that can move around the pulley

A pulley is a wheel attached to a rod

A pulley is a wheel with a bent rod wrapped around its outside edge

A pulley is a wheel with a groove around its outside edge. The groove can be used to split objects into two pieces

What is a compound machine?

A machine that is made of two or more simple machines

A machine that makes it easier to perform work, but is not a simple machine

A machine that performs less complex tasks compared to simple machines

What is biodiversity?

The range of variation found among microorganisms, plants, fungi, and animals. Also the richness of species of living organisms.

A group of populations of similar organisms that reproduce among themselves, but do not naturally reproduce with any other kinds of organisms.

Populations of different species that interact with one another.

A group of individuals belonging to one species that interact with one another.

Populations of organisms of different species that interact with one another

A species that is likely to become extinct if protective measures are not taken immediately

Species that are clearly critical to the functioning of an ecosystem

A group of populations of similar organisms that reproduce among themselves, but do not naturally reproduce with any other kinds of organisms

What is an Ecosystem?

Any geographic area with all of the living organisms present and the nonliving parts of their physical environment. Involves the movement and storage of energy and matter through living things and activities

The range of variation found among microorganisms, plants, fungi, and animals. Also the richness of species of living organisms

A unit of inherited material. An organism's collection of genes determines what it is, what it looks like, and how often it behaves

A unit of inherited material. An organism's collection determines what it is, what it looks like, and how often it behaves

A group of individuals belonging to one species in an area

The range of variation found among microorganisms, plants, fungi, and animals. Also the richness of species of living organisms

A group of populations of similar organisms that reproduce among themselves, but do not naturally reproduce with any other kinds of organisms

The range of variation found among microorganisms, plants, fungi, and animals

Populations of organisms of different species that interact with one another

What is a Population?

A group of individuals belonging to one species living in an area

A group of populations of similar organisms that reproduce among themselves, but do not naturally reproduce with any other kinds of organisms

A unit of inherited material. An organism collection of genes determines what it is, what it looks like, and often how it behaves

A group of populations of similar organisms that reproduce among themselves, but do not naturally reproduce with any other kinds of organisms

The range of variation found among microorganisms, plants, fungi, and animals. Also the richness of species of living organisms

A group of individuals belonging to one species living in an area

The cultivation of a single group in a given area

When teh last of an animal or plant species dies

A place where an animal or plant lives and grows

When the last of an animal or plant lives and grows

A place where an animal or plants lives and grows

A cultivation of a single crop in a given area

What is a native species?

An animal, plant, or micro-organism that has existed in an area of thousands of years

An animal that wants to live in particular area

What is an exotic species?

A species that isn't native to an are and came from somewhere else

An animal, plant, or microorganism that has a home where it has existed for thousands of years

What is an invasive species?

A species introduced deliberately or unintentionally outside their natural habitats where they can establish themselves, invade, out-compete natives, and take over new environments

An animal, plant, or micro-organism that has a home where it has existed for thousands of years

Final Exam Practice Test

Quiz

•

Science

•

9th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-PS2-1, MS-PS2-2, MS-LS2-5

+9

Standards-aligned

Marla Thompson

Used 12+ times

FREE Resource

40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is a simple machine?

A tool that reduces the amount of work performed

A tool that increases the amount of work performed

A tool that makes it easier to perform work

All the above

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is mechanical advantage?

The amplification of an input force for a given output force

The amplification of an output force for a given input force

The reduction in the amount of work performed when using a simple machine

The increase in the amount of work performed when using a simple machi

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Identify the Simple Machine

Lever

Inclined Plane

Wedge

Screw

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Identify the simple machine

Screw

Inclined Plane

Wedge

Lever

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Identify the simple machine

screw

wheel and axle

Pulley

lever

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Identify the simple machine

lever

pulley

wheel & axle

screw

identify the simple machine

lever

wedge

screw

inclined plan

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Final Exam Practice Test

40 questions

What is a simple machine?

What is mechanical advantage?

Identify the Simple Machine

Identify the simple machine

Identify the simple machine

Identify the simple machine

identify the simple machine

Identify this simple machine

Which simple machine can help you raise an object?

Complete the statement. As the angle of the inclined plane decreases...

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