He is the one who invented the telescope.

James Clerk Maxwell (1831-1871)

The diagram shows a complete circuit with a battery and a buzzer making noise. This circuit works by transforming -

chemical energy to electrical to sound.

electrical energy to thermal to light.

sound energy to electrical to chemical.

mechanical energy to electrical to sound.

what is hydroelecrical power generation

the generation of electrical power using a source of moving water

a source of energy that can be replaced in a relatively short period of time

a source of energy that cannot be replaced as quickly as it is used

Claim : the consumption of natural resources by humans has a negative impact on the environment. What data would provide evidence for this claim?

Increased human population and decreased habitats for plants and animals

Increased human lifespan and increased ice cap size

Increased consumption of resources by humans and increased biodiversity (variety) in nature

Increased of fossil fuel burning by humans and decreased use of other resources

Some factories that burn coal produce smoke with harmful chemicals, such as sulfur. Scrubbers are devices that are attached to the smokestacks to reduce the amount of sulfur put into the atmosphere. To evaluate the effectiveness of these devices, what data would need to be collected?

The amount of sulfur emitted (produced) by a smokestack before and after the scrubber is attached

The average amount of sulfur in a certain amount of coal

The amount of coal a factory burns each year and how much sulfur it emits (produces)

The increase in the use of scrubbers by factories that burn coal

What is sustainability?

Meeting the needs of the present without compromising the needs of future generations.

Planning for future generations to use all of all the resources.

Meeting the needs of the present.

Which of the following would conserve energy and protect the environment and is also good working practice

Buy materials from the cheapest country

How will this object move?

It will move in both directions.

Junior Cycle Science Physical World

Authored by Michael Kavanagh

Science

7th Grade

NGSS covered

Used 256+ times

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Content View

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50 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

the volume of irregular object is

25 cm³

50 cm³

75 cm³

125 cm³

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Read this scientific instrument to the nearest tenth.

6.3 mL

6.6 mm

6.6 mL

6.3 mm

This bullseye demonstrates...

High Accuracy & High Precision

High Accuracy & Low Precision

Low Accuracy & High Precision

Low Accuracy & Low Precision

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What quantity does the instrument shown measure?

Temperature

Force

Time

Volume

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What units are used by the instrument shown?

m/s

^oC

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Jack has a rock. The rock has a mass of 14g and a volume of 2cm³. What is the density of the rock?

7 mL

7 g/cm³

28 g/cm³

1/7 g/cm³

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An object with which of the following densities will float on water?

0.7 g/cm3

1.2 g/cm3

3.5 g/cm3

11.4 g/cm3

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Junior Cycle Science Physical World

the volume of irregular object is

Read this scientific instrument to the nearest tenth.

This bullseye demonstrates...

What quantity does the instrument shown measure?

What units are used by the instrument shown?

Jack has a rock. The rock has a mass of 14g and a volume of 2cm³. What is the density of the rock?

An object with which of the following densities will float on water?

How long did it take this object to travel 10 m?

Dave runs a 400 m race with a speed of 4 m/s. What time will it take him to finish the race?

What size resistor would produce a 3 Amp current flow with a 12 Volt battery

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

Junior Cycle Science Physical World

the volume of irregular object is

Read this scientific instrument to the nearest tenth.

This bullseye demonstrates...

What quantity does the instrument shown measure?

What units are used by the instrument shown?

Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?

An object with which of the following densities will float on water?

How long did it take this object to travel 10 m?

Dave runs a 400 m race with a speed of 4 m/s. What time will it take him to finish the race?

What size resistor would produce a 3 Amp current flow with a 12 Volt battery

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

Jack has a rock. The rock has a mass of 14g and a volume of 2cm³. What is the density of the rock?