Unit 1 Review: Investigating Questions

Unit 1 Review: Investigating Questions

How Do Scientists Use Data?

Scientists use observations to answer their questions.

Each science observation is a piece of data.

Scientists use data as evidence to decide whether a hypothesis is or is not supported.

Multiple Choice

Data are ....................

• • tools used to measure

• • steps in an investigation

• • pieces of scientific information

Communicating Data

Scientists record and display data so that others can understand it.

You can record data by taking photographs or write in your journal.

Multiple Choice

Communicate is to ...................

• take a photograph

• share data with others

• collect and record data

Sharing Data

A chart is a display that organizes data into rows and columns.

Sometimes scientists use charts and graphs to help display and communicate data.

Data Table

A data table is a kind of chart for recording numbers.

Bar Graph

A bar graph is used to compare data about different events or groups.

Bar graphs make it easier to see patterns or relationships in data.

Multiple Choice

Bar graph

• a chart for recording numbers

• a graph in the shape of a circle

• a graph that shows how things compare

Multiple Choice

a chart for recording numbers

• data table

• evidence

• datum

Lesson 1 and 3 Review

Multiple Choice

A scientist will use these to make an observation.

• Forceps

• Five Senses

• Notepad

Multiple Choice

A _____________________ is a test done to gather evidence during an investigation.

• variable

• observation

• experiment

Multiple Select

A Graduated cylinder measures:

• volumen

• water

Multiple Select

How hot or cold something is:

• Thermometer

• Temperature

Multiple Choice

You measure length with a:

• Tape

• Ruler

Multiple Choice

You can measure time with clocks and ____________?

• Stopwatches

• watch

Multiple Choice

It's a tool you use to measure mass:

• Balance

• Ruler

• Graduated Cylinder

Multiple Choice

You use a microscope to make things look _______________?

• smaller

• bigger

Multiple Choice

Which measuring tool should you use to find the mass of a rock?

• balance

• graduated cylinder

• meter stick

Multiple Choice

Scientists build a small version that is similar to the real thing but not exactly. It is called a

• Model

• Copy cat

• example