Check- In 1

Which statement best describes how coal provides energy when burned?

• 1. Kinetic energy is released as potential energy

• 1. Chemical energy is released as thermal energy

• 1. Mechanical energy is released as electrical energy

• 1. Electrical energy is released as chemical energy

Which is an example of managing renewable resources?

• 1. Using wind turbines to generate electricity

• 1. Capturing carbon pollution while producing gasoline

• 1. Making coal  a cleaner energy source

• 1. Recycling aluminum cans

identify all parts of a typical animal cell

Groups:

(a) Animal Cell

,

(b) Not in an animal cell

• mitochondrion

• cytoplasm

• cell membrane

• chloroplast

• nucleus

• cell wall

A student studying sodium chloride NaCl makes a list of its properties. Which observations are physical properties?

• 1. Observations 1,3, and 4 only

• 1. Observations 2,3, and 4 only

• 1. Observations 1 and 2 only

• 1. Observations 2 and 4 only

Which compound contains covalent bonds?

• A

• B

• C

• D

Which set of coefficients will balance this equation?

• 3, 2, 1, 1
• 1, 1, 1, 1
• 2, 1, 2, 1
• 2, 2, 1, 2

Match the energy type with its picture.

g

d

e

f

c

b

a

Mechanical

Potential

Radiant

Chemical

Nuclear

Sound

Thermal