Life Science 7_Lesson 1

Tick all options those apply to the planet Earth

• Earth is a living planet.

• Life can be found almost everywhere on Earth.

• Earth and Mars are same.

• Earth has extremely hot and cold areas.

• There are no living things undersea volcanoes.

Which are the key questions of unit one?

• 1. How do you measure the world’s largest living thing?

• 2. Can mud turn into worms?

• 3. How do you study living things?

• 4. Is there life on Mars?

• 5. Why are there so many living things on Earth?

What may be the largest living thing on Earth was discovered in a forest in Oregon.

• An amimal known as elephant

• A whale, known as the blue whale

• A fungus, known as the honey mushroom

• A plant, known as the honey mushroom

Scientists study living things, they often take measurements.

• True

• False

Figure 1.1

• An amimal known as elephant

• These are small mushrooms

• These are only a tiny part of the giant fungus that lives underground.

• A plant, known as the honey mushroom

- a value that tells the amount of something.

• unit

• length

• area

• measurement

a fixed amount of something.

• unit

• length

• area

• measurement

a measurement of distance.

• unit

• length

• area

• measurement

a measurement of how much surface something has.

• unit

• length

• area

• measurement

A measurement has _______

• unit and area

• a quantity and a unit.

• area

• unit