8th Grade MIDTERM REVIEW

Front

What is the decomposition reaction of hydrogen peroxide?

Back

2H₂O₂ → 2H₂O + O₂

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is the mass of water produced when 2 moles of hydrogen peroxide decompose?

Back

24.11 g

Tags

NGSS.MS-PS1-5

Front

What is refraction?

Back

Refraction is the bending of light when it passes from one medium to another due to a change in speed.

Tags

NGSS.MS-PS4-2

Front

What causes the seasons on Earth?

Back

The tilt of the Earth's axis and its orbit around the Sun.

Tags

NGSS.MS-ESS1-1

Front

What is the force that governs the motion of objects in our solar system?

Back

The force of gravity keeps planets, asteroids, and comets orbiting in an elliptical pattern around the Sun.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Front

What is the position of the Northern Hemisphere during winter?

Back

The Northern Hemisphere experiences winter when it is tilted away from the Sun.

Tags

NGSS.MS-ESS1-1

Front

What is the position of the Northern Hemisphere during summer?

Back

The Northern Hemisphere experiences summer when it is tilted towards the Sun.

Tags

NGSS.MS-ESS1-1

Front

What is the relationship between the Sun and the planets in terms of gravity?

Back

The Sun's gravity keeps the planets in orbit around it.

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

Front

What happens to light when it passes through a prism?

Back

Light is refracted and separated into its component colors.

Tags

NGSS.MS-PS4-2

Front

What is the difference between reflection and refraction?

Back

Reflection is the bouncing back of light from a surface, while refraction is the bending of light as it passes through different media.

Tags

NGSS.MS-PS4-2