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UiL Science_Test 2_Oct 27,'18 (1st. 25)

Total questions: 25

Worksheet time: 37mins

Name
Class
Date
1.

Where does cellular respiration take place?

a)

endoplasmic reticulum

b)

mitochondria

c)

Golgi body

d)

lungs

2.

Students conducted a lab activity in which they chewed a simple cracker for 2 minutes before swallowing.

They made observations in their lab journals. Which is not a science concept learned from the activity?

a)

Chewing the cracker with teeth causes a physical change to the cracker.

b)

The enzyme found in saliva dissolved the flour with a chemical change causing the cracker to taste

“bitter”.

c)

Digestion of food starts in the stomach with digestive enzymes.

d)

The enzyme found in saliva converts starch to sugar during a chemical change causing the cracker to

taste “sweet”.

3.

The oceanic crust is composed mainly of which type of rock?

a)

granite

b)

slate

c)

quartzite

d)

basalt

4.

Which of the following cells usually live the longest?

a)

red blood cells

b)

white blood cells

c)

skin cells

d)

liver cells

5.

What is the SI unit to measure force?

a)

kilogram

b)

pounds

c)

Newtons

d)

Hertz

6.

The Greek word “opthalmos” has helped to develop words such as opthalmoscope and opthalmometer. What

does “opthalmos” mean?

a)

ear

b)

mouth

c)

nose

d)

eye

7.

Which of the following would not be considered a testable hypothesis?

a)

If I brush my teeth every day, then I will have no cavities.

b)

If I add fertilizer to my tomato plants, then I will have bigger tomatoes.

c)

If the universe was smaller, there would be fewer planets.

d)

When there is less dissolved oxygen in the water, there are fewer fish.

8.

The Tropic of Capricorn is found at what?

a)

23.5 degrees S latitude

b)

23.5 degrees N latitude

c)

0 degree latitude 0 degree longitude

d)

D. 30 degrees North of equator

9.

Roger was experiencing a headache while fishing at his favorite pond. He remembered something that his

Grandpa taught him. If you chew on some bark of a willow tree, your headache will go away. What is

found in willow tree bark to help with pain?

a)

A chemical named cortisone

b)

A chemical named salicin

c)

A chemical named taxol

d)

A chemical named caffeine

10.

10. Which of the following shows evidence that a chemical reaction took place?

a)

Ice melting into a puddle of water

b)

A poster changing color after exposure to the sun for a week.

c)

Salt dissolving in a cup of water

d)

Dry ice changing to gas after setting on counter for a few hours

11.

What is one way you can tell the precise age of some types of fish?

a)

Count the growth rings on the scales

b)

Measure the anterior dorsal fin

c)

Check the condition of the caudal fin

d)

Count the teeth on the lower jaw

12.

The largest known volcano in our solar system is on what planet?

a)

Venus

b)

Mars

c)

Neptune

d)

Earth

13.

What is important to use when you need to compare stars, see relationships, and see their ages and stages all

at the same time?

a)

Spectrometer

b)

Hubble Space Telescope

c)

Hertzsprung-Russell Diagram

d)

Deflecting Telescope

14.

Sammy bought a solar bug online. The solar bug has a small solar panel on its back and wire legs with a

plastic body. When placed in the sun, the toy will vibrate and move across the floor.

Which list below best explains how the energy is being transformed with the solar bug?

a)

light energy  electrical energy  mechanical energy  kinetic energy

b)

light energy  potential energy  heat energy  vibration energy

c)

electrical energy  mechanical energy potential energy  kinetic energy

d)

mechanical energy  light energy  electrical energy  kinetic energy

15.

Words that start with the prefix “cardi” implies relation to which organ?

a)

heart

b)

lung

c)

stomach

d)

liver

16.

Which of the following cloud words are correctly matched?

a)

Stratus: sheet-like, Cirrus: wispy, Cumulus: puffy, Nimbo: rain,

b)

Stratus: wavy, Cirrus: wispy, Cumulus: puffy, Nimbo: rain

c)

Stratus: sheet-like, Cirrus: puffy, Cumulus: wispy, Nimbo: rain

d)

Stratus: rain, Cirrus: sheet-like, Cumulus: wavy, Nimbo: wispy

17.

Which of the following statements about wind is incorrect?

a)

Wind moves from areas of low pressure to areas of high pressure

b)

Wind is named from the direction it blows from, not to.

c)

Wind is caused by the uneven heating of the Earth’s surface by the sun.

d)

Wind is measured by an instrument called an anemometer.

18.

The name for the group of amphibians without legs are called what?

a)

newts

b)

snakes

c)

caecilians

d)

salamanders

19.

Calculate the concentration of a solution in which 28 g of salt is dissolved into 500 mL of water.

a)

14,000 mL/g

b)

17.86 g/mL

c)

472 mL/g

d)

0.056 g/mL

20.

What is the atomic mass for Gold?

A. 79 B. 31 C. 197 D. 32

a)

79

b)

31

c)

197

d)

32

21.

The Hawaiian volcano, Mauna Loa, has low, gently-sloped sides and usually has slow, gentle eruptions.

What type of volcano is Mauna Loa?

a)

cinder cone

b)

shield

c)

composite

d)

basaltic

22.

The Law of Conservation of Energy states that energy _______________.

a)

can be conserved if all types of energy are utilized.

b)

can be created by taking mass and converting it to energy.

c)

can be destroyed when the mass is more than the volume.

d)

can neither be created or destroyed, it just changes form.

23.

One researcher decided to test the hypothesis that e-cigarette vapors cause wounds to not heal correctly.

Fibroblasts are part of connective tissue, but when an injury occurs they come to the rescue to help heal the

wound. The researcher grew lung tissue fibroblasts in Petri dishes to test. He simulated an injury and then

exposed the cells to e-cigarette vapors. He recorded whether or not the wound healed correctly. What is the

dependent variable in this experiment?

a)

The exposure to e-cigarette vapors

b)

The wound healing properly or not

c)

The growing of the fibroblasts

d)

The recording of the wounds

24.

Most all of the immovable joints in the human skeleton are found where?

a)

The backbone

b)

The feet

c)

The cranium

d)

The hip bones

25.

What do some scientists feel are the results of the Chicxulub asteroid collision?

a)

Extinction of the dinosaurs

b)

Darkened skies

c)

Towering tsunami

d)

All of the above