Life Science
Physical Science
Earth & Space Science
Scientific Method
Science Vocabulary
100

What is the process plants use to make their own food using sunlight?

What is photosynthesis?

100

What is matter made of?

What are atoms?

100

What causes the seasons on Earth?

What is the tilt of Earth's axis?

100

What is the first step of the scientific method?

What is asking a question?

100

What does “ecosystem” mean?

What is a community of living and non-living things interacting together?

200

What is the main function of the cell membrane?

What is to control what enters and leaves the cell?

200

What is the difference between a physical change and a chemical change?

A physical change doesn’t form a new substance, but a chemical change does.

200

What are tectonic plates?

What are large pieces of Earth’s crust that move over time?

200

What is an educated guess or prediction?

What is a hypothesis?

200

What does “inference” mean in science?

What is a conclusion based on observations?

300

What are organisms that break down dead matter called?

What are decomposers?

300

What are the three states of matter?

What are solid, liquid, and gas?

300

What natural disaster is caused by the sudden movement of tectonic plates?

What is an earthquake?

300

What is the part of the experiment that stays the same called?

What is a constant?

300

Define “volume.”

What is the amount of space an object takes up?

400

What do you call a living thing that eats only plants?

What is an herbivore?

400

What do we call it when a solid turns directly into a gas?

What is sublimation?

400

What type of rock forms from cooling magma?

What is igneous rock?

400

Why is it important to have a control group?

To compare results and see the effect of the variable.

400

What does “density” mean?

What is the mass of an object divided by its volume?

500

What is biodiversity and why is it important?

 What is the variety of life in an ecosystem, and it helps maintain ecosystem stability?

500

What happens to the motion of particles when thermal energy increases?

They move faster and spread apart.

500

What do we call the cycle that moves water through Earth's surface and atmosphere?

What is the water cycle?

500

What do scientists do after collecting data?

What is analyze and draw conclusions?

500

What does “adaptation” mean?

What is a trait that helps an organism survive in its environment?