Unit 6: Beauty in Science.

1 Lizards belong to which animal group?

• amphibians

• reptiles

• invertebrates

• mammals

9 Entomology is the scientific study of:

• internal organs

• insects

• lichens

• trees

2 The nucleus of an atom consists of:

• electrons

• neutrons

• protons and neutrons

• protons, neutrons and electrons

10 How many legs do insects have?

• 4

• 6

• 8

• Some have 6, some have 8

3 Sharks and rays are different from other fish in that they:

• have live young rather than lay eggs

• have cartilage but no bones

• are warm-blooded

• have eyelids so they can blink their eyes

11 Some soils hold water better than others. The difference is caused by:

• the heaviness of the grains of soil

• the size of the grains of soil

• the size of the spaces between the grains of soil

• the temperature of the water as it enters the soil

4 Prehistoric man and dinosaurs lived at the same time:

• true

• false

12 Grouping or organizing objects into categories based on their characteristics is called:

• classifying them

• comparing them

• contrasting them

5 Grass appears green because:

• It absorbs green light

• It reflects green light back to your eyes

• It reflects red light back to your eyes

13 An android is a robot that:

• is made to resemble a human in some way

• was built by a machine or other robots

• can make decisions or think for itself to some extent

• has been built to perform multiple tasks

6 A mineral is a natural crystalline solid that formed from geological processes. Which of the following is not an example of a mineral?

• a diamond

• wood

• gold

• salt

14 Which statement is true of cats?

• Both big and small cats can purr, but only some large cats can roar.

• Only big cats can roar while only small cats can purr.

• Only house cats can purr.

• Only house cats are incapable of roaring.

7 The most abundant element in the universe is:

• helium

• hydrogen

• carbon

• silicon

15 The asteroid belt is located between:

• Mars and Jupiter

• Earth and Mars

• Jupiter and Saturn

• Venus and Earth

8 The ozone layer protects us from too much:

• carbon dioxide

• gamma radiation

• ultraviolet radiation

• temperature fluctuation

16 An igneous rock is one:

• that formed as a result of temperature or pressure

• that formed from deposition of sediments

• which formed from cooled magma

• that fell from space as meteorite