Science Leap

_____________ air is more dense and tends to sink

• cold

• warm

• moist

• dry

Tags

NGSS.MS-ESS2-5

What symbol is this?

• warm front

• cold front

• stationary front

• occluded front

Tags

NGSS.MS-ESS2-5

The reactants are on the left side of the chemical equation.

• True

• False

Is burning wood a chemical or physical change?

• chemical

• physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is glass breaking a chemical or phyiscal change?

• chemical

• physical

Is hammering wood together to build a house a chemical or physical change?

• chemical

• physical

Is a a rusting bicycle a chemical or physical change?

• chemcial

• physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which is an example of a chemical reaction?

• paper cut into small pieces

• chocolate melting in a pan

• flour and sugar mixed in a bowl

• cookies baking in an oven

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

G = green, g = yellow
The genotype for a yellow plant is...

• GG

• Gg

• gg

• all of the choices result in yellow

Which of the following alleles is homozygous (purebred) recessive?

• Tt

• tt

• TT

• t