How do scientists use tools and stay safe? Lesson 5
100
Someone who asks questions about the natural world is a
What is a scientist.
100
The five senses scientist use when they make observations
What is sight, hearing, touch, taste, and smell.
100
Name 3 ways scientists investigate.
What are experiments, models, and surveys.
100
A plan for testing a hypothesis?
What is a procedure.
100
This is an object used to do work.
What is a tool.
200
Which question cannot be investigated?
a. Does a plant need sunlight to grow?
b. Does chocolate milk taste better than plain milk?
c. How much water does an apple tree need?
What is b? Does chocolate milk taste better than plain milk.
200
List three good things investigations need.
What are observations, measurements, and data.
200
A list of questions or choices
What is a survey.
200
True or false?
Scientists do each experiment only once.
What is false.
200
Name three units of measure.
What are feet, inches, centimeters, meters, pounds, ounces, milliliters, degrees Celsius, degrees Fahrenheit.
300
To look for answers.
What is investigate.
300
To make a careful guess
What is estimate.
300
An investigation carried out under carefully controlled substances.
What is an experiment.
300
True or false?
Other people should be able to follow a procedure.
What is true.
300
This tool helps you see things that are far away.
What are binoculars.
400
True or false?
All answers can be answered by investigations.
What is false.
Some questions can only be answered with opinions.
Example: Should I buy the green shirt or the purple shirt?
400
You use your five senses to
What is observe the world around you.
400
A possible answer to your question that can be tested.
What is a hypothesis.
400
A kind of a list
What is a chart.
400
Which would you use to measure the length of your desk?
a. grams
b. milliliters
c. degrees Celsius
d. centimeters
What are centimeters.
500
You want to conduct an experiment about the plants in the classroom. What would be your first step?
a. gather materials
b. observe the plants.
c. ask a question.
d. analyze your results.
What is c. Ask a question.
500
To use facts or prior knowledge to draw conclusions
What is infer.
500
Why do scientists use models to study things?
Models help scientists understand how things work. Models also help scientists study things that are very small, very large, or difficult to understand.
500
Why would scientists want other scientists to repeat their observation?
They could compare their results with the results the other scientists get.
500
This tool uses several lenses to make objects appear larger.