Monday Science Prep

Waldriana would like to investigate the effect of temperature on the amount of food birds eat.  What should she do first to begin her investigation?

• develop a question 
• conduct background research
• design an experiment
• come up with a theory

Rigoberto writes down his hypothesis that more salt will dissolve in cold water than in warm water.  He adds salt to different temperatures of water and records his observations including the amount of undissolved salt.  He finds that there is more salt dissolved in warm water than cold water.  What should Rigoberto do next to make sure that his conclusion is valid?

• do another investigation with sugar
• repeat his investigation using a different liquid than water
• repeat his investigation to see if his results are the same
• change his results to match his original hypothesis

Tags

NGSS.MS-PS1-2

Which question would be best to answer using a scientific investigation?  

• Why are people afraid during thunderstorms?
• How easy is it to shovel snow?
• Are some clouds prettier than others?
• Does temperature affect the amount of rain?

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-6

A group of people trained to climb a mountain.  As they practices in high altitudes, a researcher measured changes in their lung strength.  Why is it important that her study has a control group?

• O  to ensure that everyone in the group was strong enough to climb a mountain
• to test equipment for measuring lung strength
• to share her research with as many people as possible
• to compare typical lung strength with the effects of training

Austin is studying states of matter by heating water in a pan.  Which statement from his notebook is an observation?

• It is hard to estimate the size of the bubbles.
• Tiny bubbles form on the bottom of the pan.
• The bottom of the pan must be very hot.
• I think there is air in the bubbles.

Tags

NGSS.MS-PS1-4

What is the energy source for the water cycle?

• the sun

• water

• the Earth

• the moon

Tags

NGSS.MS-ESS2-4

What part of the water cycle does this picture show?

• condensation

• precipitation

• evaporation

Tags

NGSS.MS-ESS2-4

What part of the water cycle does this picture show?

• condensation

• precipitation

• evaporation

Tags

NGSS.MS-ESS2-4

When water condenses, water vapor in the air gets ______ and changes back into a liquid.

• warm

• cold

• hot

• solid

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

What is the OPPOSITE of condensation?

• transpiration

• runoff

• precipitation

• evaporation

Tags

NGSS.MS-ESS2-4