A student placed a pencil in a cup of water. The pencil appears broken because light-

bends when it passes through water

always travels in a straight line

makes the water in the glass evaporate

reflects the pencil on the water's surface

How do electromagnetic and mechanical waves compare?

Mechanical waves can only travel through a solid, liquid, or gas, but electromagnetic waves can travel through a vacuum.

Mechanical waves can only travel through a vacuum, but electromagnetic waves can travel through a solid, liquid, or gas.

Mechanical waves can travel through a solid, liquid, or gas, but electromagnetic waves can only travel through a gas.

Mechanical waves can travel through a solid, liquid, or gas, but electromagnetic waves can only travel through a solid.

A student asks a series of questions about a wave. The answer to which question will allow the student to determine whether the wave is electromagnetic or mechanical?

Does it require a medium in order to travel?

Can it pass through air and water?

Does it have a measurable speed?

Does it have a measurable frequency?

The acceleration of an object due to gravity on Earth is...

It depends on the mass of an object

Name the Energy Conversion of an unplugged Chromebook playing a video?

Chemical→ Electrical → Thermal, Sound and Radiant

Electrical → Thermal, Sound and Radiant

Nuclear→ Electrical → Thermal, Sound and Motion

Thermal → Electrical → Chemical, Sound and Radiant

What will happen if one light bulb is removed from this circuit?

The other bulbs will get dimmer.

The battery will become stronger.

What is happening in this graph from point A to B?

The object is moving at a constant speed.

What happens to the velocity of a ball as it is dropped off a cliff?

It increases at a non-uniform rate

a material that slows the transfer of heat

a material that transfers heat easily

a material that is temperature controlled

Which has more GRAVITATIONAL POTENTIAL energy and WHY? (Choose the BEST explanation!) A roller coaster car at the top of a hill OR a roller coaster car at the bottom of the hill.

The car at the top because it is higher off the ground, so it has more GPE.

The car at the top because it is not moving, so it has more potential energy.

The car at the bottom because it is going faster.

The car at the bottom because it can't go any lower.

Semester 2 Review

Quiz

•

Science

•

8th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-PS4-1, MS-PS2-2, MS-PS3-1

+15

Standards-aligned

K Okonkwo

Used 89+ times

FREE Resource

69 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Why does hot air RISE?

The molecules are spread farther apart and are LESS dense

The molecules are spread farther apart and are MORE dense

The molecules are close together and are LESS dense

The molecules are close together and are MORE dense

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Copper, Stainless Steel, Carbon Steel, and Zinc were all heated using the same thermal energy. What material would be the coolest after being heated?

Copper

Carbon Steel

Zinc

Stainless Steel

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Water has a specific heat of 4184 J/KgºC. Wood has a specific heat of 1760 J/KgºC. What material needs more energy to raise the temperature 1ºC

Wood

Water

Both are the same

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In this experiment, the WARM red dye and the COLD blue dye was placed in the water at the same time. The warm red dye rose to the top while the cold blue dye sank to the bottom.

conduction

convection

radiation

Tags

NGSS.MS-PS1-4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which direction will the heat flow while this person holds a hot cup of tea?

from the cup to her hand

from her hand to the cup

no heat is transferred

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which wave has a greater frequency?

wave B

wave C

Tags

NGSS.HS-PS4-1

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which wave has a longer wavelength?

wave C

wave D

Tags

NGSS.MS-PS4-1

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Semester 2 Review

69 questions

Why does hot air RISE?

Copper, Stainless Steel, Carbon Steel, and Zinc were all heated using the same thermal energy. What material would be the coolest after being heated?

Water has a specific heat of 4184 J/KgºC. Wood has a specific heat of 1760 J/KgºC. What material needs more energy to raise the temperature 1ºC

In this experiment, the WARM red dye and the COLD blue dye was placed in the water at the same time. The warm red dye rose to the top while the cold blue dye sank to the bottom.

Which direction will the heat flow while this person holds a hot cup of tea?

Which wave has a greater frequency?

Which wave has a longer wavelength?

Which wave has the most energy?

High Amplitude =__________________

Which picture is diffraction?

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