The Practice of Science
Our Solar System
Properties of Matter
Organs and Organ Systems
Adaptations
Force, Mass, and Motion
100

The procedure carried out to carefully observe, study, or test something in order to find out more about it. 

Investigation

100

A large, round body that revolves around a star in its own orbit.

Planet

100

Anything that has mass and takes up space.

Matter

100

A ________________ is any living thing.

Organism

100

The place where a living thing lives.

Habitat

100

Any change in the position of an object.

Motion

200

Statements about future events based on information.

Predictions

200
A nearly round body that crosses the orbit of other bodies. Some examples include Eris, Ceres, and Makemake.

Dwarf Planet

200

The amount of space something takes up.

Volume

200

The job of this system is to sense information about the environment and communicate within the body.

Nervous System

200

Adaptations that are differences in the bodies of plants and animals. These types of adaptations could help an animal hide, hunt, or reproduce.

Physical adaptations

200

This can cause an object at rest to begin moving, or to change position, also known as a push or pull. 

Forces

300

The steps followed in an experiment.

Procedure

300

The cause of day and night on Earth.

Earth's rotation on its axis.

300

Which is a property of solids?

A. takes the shape of its container

B. keeps its shape

C. fills its container

D. can be poured

B. Keeps its shape

300

This system supports and protects the body, and allows for movement.

Skeletal

300

Behaviors that animals know how to do without being taught.

Instincts

300

The amount of matter in an object.

Mass

400

The parts of an experiment that you test, things that might be different from each other in an experiment.

Variable

400

Planets with rocky surfaces, on the inside of the asteroid belt, and closer to the sun, are referred to as: 

Inner planets

400

Study this thermometer.

Which properties does water have at this temperature? 

A. it would fill its container

B. it would hold its own shape

C. it would not have a shape

D. it would take the shape of its container

D. it would take the shape of its container

400

This system pumps oxygen and nutrients throughout the body and helps remove waste.

Circulatory
400

Tadpoles living in water before developing into frogs is an example of a  ________________. 

Life Cycle Adaptation

400

If equal forces act on an object in opposite directions, the forces are balanced. Only __________ _________ affect an object's motion.

Unbalanced Forces

500

The part of an experiment that stays the same, and to which all the other parts are compared.

Control

500

It is noon (12:00pm) where you are. What time of day is it on the opposite side of the Earth?

Midnight, 12:00 am

500

How can you measure the properties of matter?

By using science tools

500

This system protects the inside of the body and helps control body temperature. This system includes your skin, hair, and nails.

Integumentary System

500

This is where the ocean meets the land. It is constantly struck by waves. When the tide goes out, this area is exposed to air and sunlight, and living things here have adaptations to protect their bodies from being crushed, washed away, or dried out.

Intertidal Zone

500

Which cannot be changed by applying force to an object?

A. mass

B. direction

C. speed

D. velocity

A. mass