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Semester 2 Review

Authored by K Okonkwo

Science

8th Grade

NGSS covered

Used 89+ times

Semester 2 Review
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69 questions

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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-PS3-4

NGSS.MS-PS1-4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

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-PS3-4

NGSS.MS-PS1-4

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-PS3-4

NGSS.MS-PS1-4

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

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

Media Image

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

Media Image

Which wave has a greater frequency?

wave B
wave C

Tags

NGSS.HS-PS4-1

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which wave has a longer wavelength?

wave C
wave D

Tags

NGSS.MS-PS4-1

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