Safety, Tools and Scientific Method Test

In science, we often gather information with our senses by watching, listening, smelling, and touching. For example, you may record how the color of a flower changes. What is this process called?

• stating hypotheses

• forming conclusions

• making observations

• performing experiments

Tags

NGSS.MS-LS1-8

Kyle is wondering what he is getting for his birthday. He decides to shake the box that contains his present. Kyle did not realize it, but he was acting like a scientist. What was the first step Kyle took in this situation that a scientist also takes?

• asking a question

• collecting evidence

• drawing a conclusion

• developing an explanation

Tags

NGSS.K-2-ETS1-1

Scientists communicate valid conclusions in written form. Why is it important for scientists to do this?

• to learn from each other

• to keep their work secret

• to compete with other scientists

• to avoid repeating experiments

Tags

NGSS.HS-LS2-6

NGSS.HS-LS4-1

Analyze the information. What is the most reasonable explanation that can be constructed?

• A mouse will never weigh more than 6 g.

• Baby mice can vary in size, color, and activity level.

• Baby mice will never be less than 11 mm in length when they are born.

• Brown baby mice are bigger than white baby mice.

Tags

NGSS.MS-LS1-5

To demonstrate safe practices during lab investigations in the classroom, which two pieces of safety equipment should you use?

• safety goggles and a hat

• rubber boots and gloves

• gloves and safety goggles

• a lab apron and a hat

You are working in the science lab with chemicals. After the lab is over, you have some chemicals left over that you did not use. What should you do with the leftover chemicals?

• Pour them all down the sink drain.

• Ask your teacher how to dispose of them.

• Pour them all in a beaker and leave it out for someone else to dispose.

• Put them back in their bottles so they can be used again later.

Tags

NGSS.MS-ESS3-4

Wearing gloves is an important safety practice during classroom investigations. During which of the following situations are you most likely to wear gloves?

• when performing a lab procedure

• when preparing to take a lunch break

• when recording data in your notebook

• when making a graph on the classroom computer

In which of the following situations would wearing safety goggles help to prevent injury?

• if you break an empty test tube

• if you accidentally splash some chemicals in your face

• if you spill some liquids onto your clothing

• if you accidentally catch your shirt sleeve on fire

What is the best safety practice for students who wear glasses during a laboratory in which splashing chemicals will be a potential hazard?

• They should wash their glasses after doing the lab.

• They should stand away from those doing the lab activity and copy from their notes afterwards.

• They should wear safety goggles over their glasses during lab.

• They should wear their glasses instead of using safety goggles.

Which information does the map provide?

• the weather of Texas

• the climate of Texas

• the cities in Texas

• the size of Texas