Quiz about Mi-STAR 7.1 Off the Grid Unit Review

Question 1

Hydroelectricity uses ___________ to create energy.

Accepted Answer

Water

Answer

Wind

Answer

Magnets

Answer

Biomass

Question 2

Where would be the best place to put a hydroelectric generator?

Accepted Answer

Near the bottom of a waterfall

Answer

At the top of a waterfall

Answer

In the middle of a waterfall

Answer

In the stream before the waterfall

Question 3

Where would be the best location for a wind turbine (generator)?

Accepted Answer

In an open field

Answer

In a city park

Answer

In a national forest

Answer

In a mountain valley

Question 4

What type of energy powered the generator we built?

Accepted Answer

Human

Answer

Solar

Answer

Geothermal

Answer

Wind

Question 5

Which of the following items was NOT required to build a generator in class?

Accepted Answer

battery

Answer

coiled wire

Answer

magnet

Answer

nail

Question 6

What is required to make our generator system produce electricity?

Accepted Answer

Input

Answer

Output

Answer

Evidence

Answer

Mass

Question 7

True or False: Potential energy depends on the relative height of an object. The higher the object is, the more potential energy is has.

Accepted Answer

True

Answer

False

Question 8

True or False: The empty box moved LESS when we pulled the washer pendulum HIGHER.

Accepted Answer

False

Answer

True

Question 9

True or False: The watermelon had a larger "splat" when it was CLOSER TO THE GROUND.

Accepted Answer

False

Answer

True

Question 10

When drawing a model, which of the following should be included?

Accepted Answer

All of the above

Answer

Labels for all parts

Answer

System boundaries

Answer

Inputs and outputs

Question 11

What poles of a magnet attract?

Accepted Answer

N,S

Answer

N,N

Answer

S,S

Answer

They never attract

Question 12

What is the definition of repel?

Accepted Answer

to pull apart

Answer

to come together

Answer

to roll downhill

Answer

to be at rest

Question 13

What kind of relationship does speed have with Kinetic Energy?

Accepted Answer

Nonlinear

Answer

Linear

Question 14

What is the difference between transfer and transformation?

Accepted Answer

Transfer - give; Transform - change

Answer

Transfer - push; Transform - jump

Answer

Transfer - own; Transform - push

Answer

Transfer - make; Transform - give

Question 15

How does distance affect magnetic forces?

Accepted Answer

Closer - Stronger

Answer

Closer - weaker

Answer

Far away - Stronger

Answer

It does not effect magnetic forces

Question 16

How does orientation effect magnetic forces?

Accepted Answer

Like poles - repel; Opposite poles - attract

Answer

It doesn't effect magnetic forces.

Answer

Like poles - attract; Opposite poles - repel

Question 17

What is the CAUSE of magnets attracting or repelling?

Accepted Answer

Magnetic force

Answer

Gravity

Answer

Heat

Answer

Human Power

Question 18

What is the Law of Conservation of Energy?

Accepted Answer

We cannot create or destroy energy.

Answer

We can destroy most energy.

Answer

We use up all the energy in the world.

Answer

When we need more energy, we can create more.

Question 19

How can you increase the amount of potential energy in a system?

Accepted Answer

Increase the height

Answer

Decrease the height

Question 20

What is the definition of kinetic energy?

Accepted Answer

The energy something has due to it's motion.

Answer

Stored energy.

Answer

The amount of matter in an object.

Answer

The amount of time it takes to change

Question 21

What kind of relationship does mass have with kinetic energy?

Accepted Answer

Linear

Answer

Nonlinear

Question 22

How are static electric forces and magnetic forces alike?

Accepted Answer

They repel and attract

Answer

They both repel

Answer

They both attract

Answer

They aren't alike

Question 23

How can you increase the static electric force of a balloon?

Accepted Answer

Rub it on your hair for a longer amount of time.

Answer

Rub it on your hair for a shorter amount of time.

Answer

Put it near an electrical socket.

Answer

Heat it up with a blow dryer.

Question 24

When you increase the amount of potential energy, what happens to the kinetic energy?

Accepted Answer

It decreases.

Answer

It also increases.

Answer

It remains the same.

Question 25

Which has a larger impact on kinetic energy?

Accepted Answer

Speed

Answer

Thermal energy

Answer

Mass

Answer

Potential energy

Question 26

What is the definition of Energy?

Accepted Answer

The ability to do work.

Answer

The energy of motion.

Answer

Facts, observations, data.

Answer

To take part in.

Question 27

Living off the grid means producing your own sustainable energy.

Accepted Answer

true

Answer

false

Question 28

The turbine spins a ____________________to make electricity.

Accepted Answer

generator

Answer

wheel

Answer

turbine

Answer

tube

Question 29

Energy transformations occur when...

Accepted Answer

energy changes from one form to another

Answer

energy is created through conduction

Answer

two forces slide together that are touching

Answer

a chemical reaction takes place

Question 30

Something used to power devices. These devices need a battery or a cord.

Accepted Answer

Electricity

Answer

Energy

Answer

Generator

Answer

Potential Energy

Question 31

Ability to do work. Something needed to cause change.

Accepted Answer

Energy

Answer

Electricity

Answer

Generator

Answer

Potential Energy

Question 32

To take part in. Usually requiring more than one person.

Accepted Answer

Engaging

Answer

Arguments

Answer

Evidence

Answer

Independent variable

Question 33

Discussions requiring people to listen, compare, evaluate, and agree on an explanation or idea.

Accepted Answer

Arguments

Answer

Engaging

Answer

Evidence

Answer

Independent variable

Question 34

Facts, observations, or data.

Accepted Answer

Evidence

Answer

Arguments

Answer

Engaging

Answer

Independent variable

Question 35

A device that uses mechanical energy and magnets to create energy.

Accepted Answer

Generator

Answer

Electricity

Answer

Energy

Answer

System

Question 36

A collection of objects that interact and/or influence one another. They work together to solve a problem or answer a question.

Accepted Answer

System

Answer

System inputs

Answer

System outputs

Answer

System boundaries

Question 37

Anything that goes into a system from outside its boundary.

Accepted Answer

System inputs

Answer

System outputs

Answer

System boundaries

Answer

System

Question 38

Anything that crosses the boundary to leave the system.

Accepted Answer

System outputs

Answer

System inputs

Answer

System boundaries

Answer

System

Question 39

Simplified representations of systems, objects, ideas, processes, and/or phenomena that helps scientists describe, explain, and make predictions.

Accepted Answer

Model

Answer

System inputs

Answer

System outputs

Answer

System

Question 40

A separation between a system and its environment that inputs and outputs must cross.

Accepted Answer

System boundaries

Answer

System inputs

Answer

System outputs

Answer

System

Question 41

The measure of the amount of matter in an object.

Accepted Answer

Mass

Answer

Speed

Answer

Potential energy

Answer

Kinetic energy

Question 42

The rate at which something moves (also called velocity).

Accepted Answer

Speed

Answer

Mass

Answer

Potential energy

Answer

Kinetic energy

Question 43

What is the definition of attract?

Accepted Answer

to come together

Answer

to pull apart

Answer

to roll downhill

Answer

to be at rest

Mi-STAR 7.1 Off the Grid Unit Review

43 questions

Hydroelectricity uses ___________ to create energy.

Where would be the best place to put a hydroelectric generator?

Where would be the best location for a wind turbine (generator)?

What type of energy powered the generator we built?

Which of the following items was NOT required to build a generator in class?

What is required to make our generator system produce electricity?

True or False: Potential energy depends on the relative height of an object. The higher the object is, the more potential energy is has.

True or False: The empty box moved LESS when we pulled the washer pendulum HIGHER.

True or False: The watermelon had a larger "splat" when it was CLOSER TO THE GROUND.

When drawing a model, which of the following should be included?

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