Solve problems using scientific investigations
Investigate mixtures
Acids and bases
Forces and their effects
Measure temperature
100

An idea or explanation that you test to see if it is true by doing experiments or investigations

what is a hypothesis?

100

take apart

what is separate?

100

Neither an acid nor a base

What is neutral?

100

A physical power or energy that can be a push or a pull

What is force? 

100

Measures how warm or cold something is.

what is temperature?  

200

The things that we can change.

what are variables?

200

two or more substances that are mixed together but that can be separated from one another again.

what is mixture?

200

When one or more substances change into other substances 

What is chemical reaction?


200

A force that acts at the place place where two objects touch

What is contact force?

200

An instrument that measures temperature.

What is thermometer?

300

facts that show that an idea is true or correct.

what is evidence?

300

The tiny pieces that make up a substance.

what are particles?

300

To cancel out the properties of an acid with a base

What is neutralize?

300

The force that is felt when one surface is pulled or pushed over another

What is frictional force?

300

Poisonous or dangerous to eat or drink

What is toxic?

400

something in an experiment that is kept the same in all test.

what is control?

400

A mixture in which some particles are suspended in the liquid

what is suspension?

400

A piece of paper that changes color when either an acid or base touches it

What is litmus paper?

400

A force that can have an effect on an object without touching it.

What is non-contact force?

400

Becomes wider, taller, or both

What is expands?

500

The way in which scientist find answers to the questions that they have about the world around us.

what is scientific investigation?

500

mixes easily

what is miscible?

500

smell, taste , touch, sight, hearing 

What are your five senses?

500

A force that pulls materials together or pushes them away from each other.

What is magnetic force?

500

An error in reading a thermometer or any instrument because your eye is not in line with the top of the liquid 

What is error of parallax?