Kean SS/Science 2

1.

1 point

A small lake is beginning to evaporate (which means to disappear into the air as water vapor). The lake is slowly drying up. List all of the problems it would cause for the Earth and wildlife:

it would cause plants and animals that live in the lake to have less space to swim, eat and survive

it would cause plants and animals to not have enough water

the air wouldn't be breathable

the plant population would decrease

it would cause that area to not rain anymore

the fish population would decrease

it would cause pollution

2.

1 point

Click all the reasons it is important to eat vitamins that your body can't keep in its own supply.

you don't have to eat vitamins/minerals every day

you should only eat Vitamin A and C. NOT B and D.

When you are low on certain vitamins, your body doesn't work properly

Nutrition is important to keep the body growing and functioning normally

If you don't, you may get very sick

You need to eat certain vitamins/minerals every day because they don't stay in your system

3.

1 point

the very first humans to discover America was about:

100 years ago

17,000 years ago

200 years ago

2,000 years ago

4.

1 point

Abby has a rock that was made underground. It melted from magma, then hardened over time. It is NOT a metamorphic rock. It is a:

fossil

intrusive igneous rock

sedimentary rock

extrusive igneous rock

5.

1 point

What are the "KEY" word(s) for metamorphic rocks?

cemented

lava

heat and pressure

organisms and seashells

6.

1 point

Native Americans sailed on massive ships to Europe to search for new land

True

False

7.

1 point

If a rock X is balanced with the following weights: 200mg, 20mg, 5mg, 2mg, 2mg, and 1 mg. How much does the rock weigh?

250 mg

220 mg

225 mg

230 mg

8.

1 point

INTRUSIVE Igneous Rock is melted beneath the ground and hardened near the base of a volcano.

True

False

9.

1 point

what else is needed in order to complete an electrical circuit?

battery, battery port, light switch, light bulb, light bulb port and:

magnetic wire

another switch

copper wire

a second batter port

10.

1 point

What is an expedition?

The Native American word for trader

A route the Europeans took to get to the Pacific Ocean

a new world

a journey to learn about a new land

11.

1 point

Johnny finds a rock on the beach. In the rock he notices that there are seashells in it, gravel, sand and dirt pressed into one rock. This is probably a:

metamorphic rock

igneous rock

sedimentary rock

a fossil

12.

1 point

What causes the phases of the moon?

the light from the Earth hits the moon

the light from the sun is blocked by the moon

the light from the sun reflects onto part of the moon

the light from the stars light the moon

13.

1 point

This rock is made by heat and pressure:

fossils

metamorphic rocks

extrusive igneous rocks

no rocks can be made with only heat and pressure

14.

1 point

Which choice is a "sequence"?

1, 2, 6, 7

blue, red, yellow, green

Life is like a roller coaster

First I went to the store, then I grabbed some bread, and finally went home.

15.

1 point

The Native American Indians were known to be extremely violent.

True

False

16.

1 point

Click on ALL of the items that would be found in a sedimentary rock:

sand

hair

gravel

gum

plastic

toys

crystals

pieces of rocks

seashells

17.

1 point

When finding the texture of a rock, the best tools to use are:

a ceramic plate and tweezers

a glass plate

your hands and eyes

your acid test and some water

18.

1 point

What is an example of a raw material made in nature?

wood

plastic

rubber

a book

19.

1 point

Some vitamins and minerals in our body aren't stored in our body. The body cannot keep its own supply. It's important to eat those vitamins and minerals every day.

True

False

20.

1 point

Why do we subtract the weight of the container when weighing salt?

the container may be contaminated

when only finding the weight of the salt, the container is extra weight

the container weighs more than the salt so it needs to be dumped out

the container is made of plastic and not salt

21.

1 point

Why is important to find the streak of a rock?

the streak tells you if it can scratch glass

the streak helps to identify what type of rock it is

the streak is not important

the streak tells you the hardness

22.

1 point

What is a white ceramic plate used for?

to find the texture of the rock

hardness

To find the color of the streak of the rock

to find the type of rock it may be