Earth and Space Science
Physical Science
Life Science
Earth and space P.2
100

What is the name of the layer of Earth where we live?

  • What is the atmosphere?

100

What is matter?

  • What is anything that has mass and takes up space?

100

What do we call living things?

What are organisms?

100

What is the process by which water moves from the surface of the Earth to the atmosphere and back?

  • What is the water cycle?

200

What causes day and night on Earth?

What is the rotation of the Earth on its axis?

200

What is the force that pulls objects toward Earth?

What is gravity?

200

What part of the plant absorbs water and nutrients?

What are the roots?

200

What is the Earth's outer layer called?

What is the crust?

300

What is the main source of energy for Earth?

What is the Sun?

300

Name three states of matter.

What are solid, liquid, and gas?

300

What is the process by which plants make their own food?

What is photosynthesis?

300

What are the four main layers of the Earth?

What are the crust, mantle, outer core, and inner core?

400

Name one way that humans can reduce their impact on the environment

What is recycling?

400

What is an example of a chemical change?

What is burning wood?

or free response

400

Name one similarity between plants and animals.

What is both need energy to survive?

or 

free response

400

What is the difference between a comet and an asteroid?

What is a comet is made of ice and dust, while an asteroid is made of rock and metal?

500

What is the term for a large body of ice that moves slowly over land?

What is a glacier?

500

What is the process called when a liquid turns into a gas?

What is evaporation?

500

What is the role of decomposers in an ecosystem?

What is they break down dead material and recycle nutrients back into the soil?

500

What phenomenon occurs when the Moon passes directly between the Earth and the Sun?

What is a solar eclipse?