Science lessons by grade

50 lessons · No card needed. The first lesson is free.

Grade 1Grade 2Grade 3Grade 4Grade 5Grade 6Grade 7Grade 8Grade 9Grade 10

Grade 1 · ages 6–7

• Why the tree changes leaves
• A plant needs water and light
• Wood, metal, and fabric
• Push and pull
• The sun in the day

Grade 2 · ages 7–8

• Five senses
• Lungs bring air in
• What an animal needs
• Bones hold you up
• Sink and float
• A shadow blocks light

Grade 3 · ages 8–9

• Solid liquid gas in the kitchen
• A magnet pulls metal
• Light in a straight line
• Sound is a shake
• Material used again
• Insect: six legs

Grade 4 · ages 9–10

• Day and night
• Soil for plants
• A balloon sticks to hair
• Rock and soil
• The moon's shape
• Heat flows

Grade 5 · ages 10–11

• Energy changes form
• What happens after a bite
• A force can change motion
• Blood carries
• Root, leaf, flower
• A sieve is not for salt

Grade 6 · ages 11–12

• Who eats whom
• A cell is a unit of life
• A habitat
• A simple machine
• Not gone
• Too small for the eye

Grade 7 · ages 12–13

• Mixture versus one material
• Atom and brick
• Plant and light
• Density

Grade 8 · ages 13–14

• Force changes motion
• To keep doing
• Heat and temperature
• Element versus compound

Grade 9 · ages 14–15

• A circuit needs a closed loop
• A trait that can pass
• Resistance and current
• A new substance

Grade 10 · ages 15–16

• Energy does not vanish
• Carbon in the air
• The body keeps a range

No card needed. The first lesson is free.