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8th Grade 5th 6 Weeks Review

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

New stars are formed through

a)

really strong gravitational pull

b)

luck

c)

the collision of space matter

d)

randomness

2.

An example of an area with really strong gravitational pull is

a)

near a planet

b)

around the sun

c)

a black hole

d)

a galaxy

3.

The universe smallest to largest:

a)

planets, stars, nebulae, galaxies

b)

stars, galaxies, planets, nebula

c)

galaxies, stars, planets, nebulae

d)

nebulae, stars, planets, galaxies

4.

Galaxies

a)

have a very large mass

b)

contain solar systems

c)

contain nebulas

d)

contain planets

5.

The milky way is a type of galaxy that

a)

is a swirl

b)

contains scattered planets, nebulae, and stars

c)

has planets in the center and is surrounded by stars

d)

has a flattened disk in the center and spiral shaped arms around the disk.

6.

The sun is to _____________ as Earth is to Mars.

a)

Proxima Centauri

b)

the moon

c)

the galaxy

d)

Mambo jambo

7.

Hydrogen converts into helium through _________________ to create energy.

a)

gamma rays

b)

oxygen

c)

magic

d)

nuclear fusion

8.

Very large array is to radio waves as a ___________________ is to visible light waves.

a)

gamma ray

b)

reflecting telescope

c)

microscope

d)

laser beam

9.

We know that galaxies are expanding and moving away from Earth because the light they generate has moved towards the

a)

yellow end of the spectrum.

b)

blue end of the spectrum.

c)

green end of the spectrum.

d)

red end of the spectrum.

10.

The Northern Lights are created because of the way Earth’s ______________ and _________energy interact.

a)

composition; solar

b)

atmosphere; thermal

c)

atmosphere; solar

d)

composition; thermal

11.

Parasitism and predation both __________ one organism and __________ another.

a)

benefit; hurt

b)

change; drain

c)

eat; drain

d)

feed; help

12.

When an animal eats another animal, it is considered a ___________.

a)

meanie head

b)

predator

c)

parasite

d)

primary consumer

13.

In a ___________________ relationship, one organism creates food and the other animal eats it.

a)

predator/consumer

b)

predator/prey

c)

parasite/host

d)

producer/consumer

14.

In a _________________ relationship, one animal hunts and eats the other animal.

a)

predator/prey

b)

producer/consumer

c)

parasite/host

d)

predator/consumer

15.

What type of star is 4,500K in temperature and has -1 magnitude?

a)

white dwarfs

b)

main sequence

c)

giants

d)

supergiants

16.

When there is an excess of water in soil, plants will

a)

release it through transpiration.

b)

die from too much water.

c)

soak it all up and grow.

d)

won't do anything.

17.

The water cycle includes evaporation (and transpiration) condensation precipitation collection

a)

evaporation (and transpiration)

b)

condensation

c)

precipation

d)

collection

18.

When resources are taken away from a habitat, such as water to create energy, then

a)

the organisms in that habitat increase.

b)

the organisms in that habitat are unaffected.

c)

the organisms in that habitat die.

d)

electricity gets into the habitat.

19.

A canopy in a rain forest is

a)

a mountain of dirt.

b)

the tops of the tress.

c)

a pile of rocks.

d)

vines growing up trees.

20.

Environmental conditions affect

a)

how many eggs hatch

b)

animal's physical adaptations

c)

the growth of plants

d)

the seeds plants produce