Scientists use their five senses to do this.
What is observe?
This tool is used to see things that are too small to see with your eyes.
What is a microscope?
Seeing a fossil dinosaur skull is direct ___________ that the dinosaur existed.
What is evidence?
an investigation in which all conditions are controlled.
What is an experiment?
You have decided to dissolve different substances in water and freeze them, then check the temperature to see when they melt. What is the variable in this experiment?
What are the different substances dissolved in water?
It is important to do repeated trials of an experiment for this.
What is accuracy or valid results?
Scientists use this system to measure things.
What is the metric or SI system?
This is an idea or a conclusion based on observation.
What is an inference?
This type of investigation used to answer 'How fast does the wind blow where a bridge will be built?]
What is repeated observation?
Ian adds blueberries to his recipe. What is this part of the experiment?
What is the variable?
This must give a step by step description of what should be done in an experiment.
What is a procedure or Scientific Method.
Kwan asks his classmates how often they recycle. He also asks a friend to ask two other classes. What is true about Kwan's investigation?
It involves collaboration.
Carmen draws a plant as it grows each week for 4 weeks. What skill is she using?
Observation
If you want to compare parts to a whole you should use this kind of graph.
What is a circle graph?
Emily grew one plant by a window and another in a black bag. She drew a poster showing how the plants grew. What does her poster do?
communicate the data.
The prefix milli means this.
What is 1/1000th?
Robbie explained the results of his investigation to his classmates. What science skill did he use?
What is communication?
The curve on the surface of a liquid is called this
What is the meniscus?
You should draw conclusions based on the ___________of your experiment.
What are results?
To arrange things by their size color or ?
What is classify?
What is the metric unit for measuring mass?
What is a kilogram?
ALL Scientists study _______________.
The natural world.
Name 3 methods scientists use to conduct investigations
What are Repeated Observations, conducting experiments, and using models?
How would Bill use the results of his investigation?
To decide if his hypothesis is correct.
Sarah thinks that adding salt to water will make it freeze faster. What is her statement?
What is a hypothesis?
Use to measure volume.
measuring cup or graduated cylinder.
A cup of water and a cup of cooking oil are placed in a freezer. What question could be asked?
Which liquid freezes faster?
Why is it important to have more than one trial in an experiment?
Small errors can be averaged when there are multiple trials.
During a moon crater investigation, Mary holds a dropper of water from different heights over a pan of flour. What type of investigation is this?
Using models.
Alex and Brenda measured the distance their toy cars traveled. What part of the process is this part of?
Conducting an investigation.
Cobie is testing how the amount of fertilizer affects the height of plants. Name a variable that does not need to be controlled.
What is the height of the plants?