SCIENCE FINAL 7TH GRADE 2025

What is energy?

• The ability to do work

• Movement and motion

• Heat and motion

What kind of energy is in an acorn hanging from an oak tree?

• Potential
• Kinetic

Tags

NGSS.MS-PS3-2

At which point is kinetic energy greatest?

• W
• X
• Y
• Z

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which is the best example that something has kinetic energy?

• a. a car parked on a steep hill 
• b. a tennis ball rolling across the court
• c. a picture hanging on the wall 
• d. a piece of coal before it's burned 

Tags

NGSS.MS-PS3-1

If a car travels 400 m in 20 seconds, how fast is it going?

• 20 m/s

• 2 m/s

• 32 m/s

Tags

NGSS.MS-PS3-1

Match these parts of a light wave

• bottom

• Amplitude

• how often waves occur

• wavelength

• distance from wave to wave; gives light its color

• frequency

• top

• trough

• height of the wave

• crest

Tags

NGSS.MS-PS4-1

If the distance represented by the letter A were increased, how would it change the way the sound was heard?

• The sound would be higher. 
• The sound would be lower. 
• The sound would be softer. 
• The sound would be louder. 

Tags

NGSS.MS-PS4-1

Sound waves travel as _________ waves.

• transverse

• electromagnetic

• longitudinal

• surface

A teacher rubbed a match against a piece of sandpaper. The match started to burn. Which statement best describes the energy changes that occurred?

• The chemical energy stored in the match changed to thermal energy and light energy

• The thermal energy stored in the match changed to light energy and chemical energy

• The light energy and thermal energy stored in the match changed to mechanical energy

• The light energy and thermal energy stored in the match changed to chemical energy

Tags

112.18.b.9.C

Why is solar energy considered renewable energy?

• It's cheaper than fossil fuels
• The sun's energy would not run out for billions of years
  
• Solar energy recharges batteries
• All of them