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SCIENCE

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Excluding the sun, what is the brightest star in the

sky?

a)

a. Sirius

b)

b. Venus

c)

c. Betelgeuse

d)

d. The Big Dipper

2.

When you go to a higher altitude, what happens to the

boiling point of water?

a)

a. It increases

b)

b. It stays the same

c)

c. It decreases

d)

d. It fluctuates

3.

Which of the following is a colloid?

a)

a. Diamond

b)

b. Fog

c)

c. Salt Water

d)

d. Isopropyl Alcohol

4.

Which of the following depletes the ozone layer?

a)

a. Carbon Dioxide

b)

b. Methane

c)

c. Chlorofluorocarbons

d)

d. Carbon Monoxide

5.

Which of the following is NOT a chemical change?

a)

a. Compression of carbon

b)

b. Mixing zinc and HCl

c)

c. Burning of wood

d)

d. Decomposition of leaves

6.

All of the following are solutions except _____.

a)

a. Brass

b)

b. Coffee

c)

c. Seawater

d)

d. Milk

7.

The Milky Way is a ______.

a)

a. Supernova

b)

b. Galaxy

c)

c. Nebula

d)

d. Constellation

8.

The founder of the science of genetics is ______.

a)

a. Dmitri Mendeleev

b)

b. Sergey Koryolev

c)

c. Gregor Mendel

d)

d. Hans Aufbau

9.

How many chromosomes does a sperm cell have?

a)

a. 46

b)

b. 42

c)

c. 24

d)

d. 23

10.

What is the last phase of mitosis?

a)

a. Telophase

b)

b. Metaphase

c)

c. Anaphase

d)

d. Prophase