What am I?
Changes in Matter
Mix it up
Forces and Floating
Science Detectives
100

Anything that has mass and takes up space.

Matter

100

Liquid changes to gas

Evaporation

100

Two or more substances are combined, but each keeps its own properties.

Mixture

100

A force that can attract certain metals or cause magnets to attract or repel.

Magnetism

100

Scientists put objects into groups based on similar properties. What are they doing?

Classifying

200

The amount of matter in an object.

Mass

200

A gas changes into a liquid

Condensation

200

Salt is stirred into water until it dissolves evenly. What was created?

Solution

200

The upward force from water that helps an object float.

Buoyancy

200

A scientist describes an object as shiny, smooth, and silver. These descriptions are examples of what?

Physical Properties

300

How hot or cold something is

Temperature

300

Sugar is stirred into water and seems to disappear. What happened to the sugar?

Dissolved 

300

Trail mix contains cereal, pretzels, and raisins that you can still see. Is it a mixture or solution?

Mixture

300

A paper clip moves toward a magnet without being touched. What force caused this?

Magnetism

300

Which vocabulary word means to take the different parts of a mixture apart?

Separate

400

The form of matter: solid, liquid or gas

Physical State

400

An ice cube melts, but the amount of matter stays the same. This means the matter was _____.

Conserved

400

Using a strainer to remove pasta from water is an example of doing what?

Separating a mixture

400

This compares how dense an object is to another substance and helps predict whether it will sink or float.

Relative Density

400

A student says, “The salt disappeared when it was stirred into water, so it isn't there anymore.” What actually happened to the salt?

It disappeared!

500

A trait of matter that can be observed or measured without changing what it is.

Physical Property

500

A puddle disappears on a hot day. What physical state did the water start in, what state did it become, AND what process caused the change?

Liquid to gas; Evaporation

500

Lily mixes sand with water. Ben mixes sugar with water until the sugar can no longer be seen. Who made the solution?

Ben

500

A cork floats in water, but a rock sinks. What property helps scientists explain the difference?

Relative Density

500

Water droplets form on the outside of a cold cup. A student says the water leaked through the cup. What actually caused the droplets?

Condensation