Fission vs fusion!

The splitting of a nucleus into smaller nuclei is

• fusion
• fission
• half-life
• gamma radiation

Tags

NGSS.HS-PS1-8

Which of the following is true about nuclear fission?

• The mass of the product is greater than the mass of the original nucleus
• The mass of the product is less than that of the original nucleus
• The mass of the product is the same as the mass of the original nucleus
• The mass of the product is 100 times greater than the original nucleus

Tags

NGSS.HS-PS1-8

Two nuclei with low masses are combined to form one nucleus of larger mass is called what?

• Nuclear fission
• Nuclear fussion
• Nuclear half-life
• Half-life

Tags

NGSS.HS-PS1-8

How do nuclear power-plants work?

• Fusion
• Half-life
• Fission
• Fusion or fission

Tags

NGSS.HS-PS1-8

In an endothermic reaction, heat is ,,,

• taken in
• given out

Tags

NGSS.HS-PS1-4

What type of reaction occurs in a hand warmer

• exothermic
• endothermic

Tags

NGSS.HS-PS1-4

If a chemical reaction is EXOTHERMIC, the temperature would....

• Stay the same
• Increase
• Decrease

Tags

NGSS.HS-PS1-4

Is photosynthesis an exothermic or endothermic reaction?

• Endothermic
• Exothermic

Tags

NGSS.HS-PS1-4

Have you ever eaten sherbet sweets candy? They fizz in your mouth and your tongue feels cold. Why do you think that is?

• It is an exothermic reaction
• It is an endothermic reaction
• It is made of ice
• It is dissolving your mouth

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS3-4

0_{2 (g)+} 2H_{2-------------}2H₂0 + Energy

• endothermic

• exothermic

Tags

NGSS.HS-PS1-4