Unit 1: Review

What do scientists and engineers do? Click on all the answers that you think are true.

• Ask questions

• Solve problems

• Analyze data

• Give up and quit

• Explain why things happen and how things work

The engineering design process is used to

• Design products

• Design processes

• Make inventions better

• All of the above

What is NOT part of the scientific method?

• collecting data

• conducting investigations

• asking questions

• accepting an idea without testing

What is a hypothesis?

• an answer to a science question

• a scientific guess to predict what could happen in an experiment

• a problem that has a solution

• a problem that needs to be solved

Research questions are questions that scientists have when they want to

learn more about something, but it can be researched to learn more.

Which of the following is a research question?

• Why type of soil is the best to use to help plants grow?

• What type of liquid do worms prefer in a compost bin?

• What do cats eat?

Testable questions are questions that can only be answered after

conducting a scientific investigation. Which of the following is a testable

question?

• How do I make a kite?

• If I limit water for a plant, how long will it take to stop growing?

• How many different types of dogs are there?

Which of these is NOT an observation of the lion?

• The lion has fur.

• The lion is scary.

• The lion has sharp teeth.

• The lion has whiskers.

What would this tool measure?

• length

• temperature

• time

• weight

Some science tools can be worn to keep us _______ when we complete experiments

• observing

• safe

• measruing

What is an example of a safe science tool?

• thermometer

• scale

• gloves

• ruler